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On Friday morning, Paul Ciancia, 23, walked into Los Angeles International Airport with a legally purchased .223-caliber assault rifle and five 30-round magazines and opened fire on a T.S.A. security checkpoint, killing 39-year-old Gerardo Hernandez, a father of two who had screened passengers there for three years, and wounding four others—two additional T.S.A. agents and two passengers. The rampage was halted when he was shot in the mouth and the leg by authorities. The next day, federal prosecutors charged him with murder.

Though the motive is not yet known, Ciancia, a New Jersey native, was reportedly carrying a note that said he wanted to “kill T.S.A.” The Southern Poverty Law Center reported that the suspect was carrying a one-page “manifesto” that included references to the “New World Order,” the Federal Reserve and “fiat currency.”

That night on CNN, Dana Starfield, a witness to the attack, expressed what can only be termed as shooting fatigue. “I feel angry that this feels like Groundhog’s Day,” she said. “Everyone’s always saying it’s too soon to have a discussion about assault rifles. Well, I just went through trauma, and I think that right now is not too soon.”

Here is today’s report.

—Jennifer Mascia

Friday:

A 6-year-old boy was shot and wounded in South Bend, Ind., late Friday, and police believe he was shot by his father during an argument with his brother. A 15-year-old girl was shot and wounded near an elementary school in Broward County, Fla., Friday morning. Six people were shot, three of them fatally, in New York City Thursday. Makeda Elliott, 17, was grazed in the neck when a 17-year-old boy was attempting to shoot another boy in Pembroke Park, Fla., Friday morning. Edward Lee Phillips, 48, was shot three times and killed following an argument in the parking lot of the Fyffe Dollar General store in Fyffe, Ala., Friday night.

Derek Moore, 37, an assistant football coach at Missouri Southern State University, was shot and killed by someone he knew in a movie theater parking lot in Joplin, Mo., Friday night. A man was critically injured in a drive-by shooting in Little Rock, Ark., Friday afternoon. A man in his 20s was shot and wounded in Attleboro, Mass., early Friday, sparking a hostage and standoff situation. 24-year-old Precious Antanaye Jackson was killed in a shooting at a southeast Portland, Ore., apartment complex early Friday, sparking a manhunt that ultimately yielded no suspects.

In two separate incidents in southeast Portland on Friday, 23-year-old Jeray Lashawn Jessie was shot and critically injured, and one person suffered a self-inflicted gunshot wound. An 18-year-old man was found shot and wounded on a sidewalk in Arroyo Grande, Calif., early Friday. Lindsay Roub, 24, was seriously injured when the rifle she was carrying discharged as she handed it to her hunting partner west of Scappoose, Ore., Friday afternoon. Tierria Sims was shot and killed in Memphis, Tenn., early Friday, and her boyfriend was arrested after telling police they got into an argument and his gun went off during a struggle.

A 21-year-old man who was indiscriminately shooting people with a paintball gun was shot with a real gun in retaliation on the South Side of Chicago, Ill., Thursday night. Saul Salgado, 21, was shot and killed while he was stopped at a red light in the Belmont Cragin neighborhood of Chicago early Friday. Five people wounded, including a 15-year-old girl, in shootings across Chicago Thursday and early Friday. A woman was wounded when a firearm was discharged through the floor of an upstairs apartment during a domestic argument in Norfolk, Va., early Friday.

A 30-year-old woman was shot and wounded after an altercation in Tuscaloosa, Ala., Thursday afternoon. Charlessa Smith, 19, was shot and wounded while leaving a large house party in Omaha, Neb., early Friday. A woman in her 30s was found shot in the head and killed on a San Diego, Calif., sidewalk early Friday. 30-year-old Eliezer Rivera was shot and killed at a barbershop following an argument in Worcester, Mass., Friday afternoon. Two people were shot and wounded, one of them critically, at a barbershop in Kansas City, Mo., Friday afternoon.

25-year-old Michael L. Mefford was shot and killed in Eureka, Kan., early Friday, and his brother, 19-year-old Gabriel Mefford, was arrested. A man was killed in a shooting in a parking lot in Fayetteville, N.C., Thursday night. On Friday morning in Fayetteville, a man and a woman were killed and two other people were injured in a shooting at a nightclub. A 57-year-old man was shot and wounded at a home in Fayetteville early Friday. Willie Solomon, 22, was shot several times and killed inside a nightclub in Altoona, Pa., early Friday.

A 50-year-old man was shot and killed in east Baltimore, Md., Thursday afternoon. A 45-year-old man was shot in the arm after an altercation at a bar in Tacoma, Wash., late Thursday. Terence Farmer, 57, was shot and killed outside his home in Gary, Ind., Thursday night. 39-year-old Thomas Cassano was found shot to death in his kitchen in Coraopolis, Pa., early Friday. Michael Lawson, 39, was shot in the chest with a semi-automatic handgun at an apartment complex in Elizabeth, N.J., Thursday night.

Damian S. King, 38; Michael Alexander, 32; and Mia Dorns, 17, were shot and seriously injured during a fight at a street party in south St. Petersburg, Fla., Thursday night. Heather N. Davis, 22, was shot to death in Cairo, Ill., Friday night, and police arrested her husband, 30-year-old Chauncy Hughes. A man was shot in the thigh while walking in Woodland, Calif., Thursday night. Taj Emory Jackson was shot in the back and wounded after an argument in High Point, N.C., Thursday night. Roger E. Fredritz and Cynthia L. Hawkinberry, both 49, were shot multiple times and killed at the Carey Conservation and Sportsman’s Association in Carey, Ohio, Friday night.

One person was injured in a shooting at a party in northwest Charlotte, N.C., Thursday night. In Charlotte on Friday night, two people were shot and wounded at an intersection. A 28-year-old woman was critically injured in a shooting outside a Hayward, Calif., apartment building Thursday night. A man was injured in a drive-by shooting in east Oakland, Calif., Friday morning. Steven Garcia, 29, was fatally wounded in a shooting in Thousand Palms, Calif., Friday morning. Two men were shot in downtown Cleveland, Ohio, early Friday.

A man in his 20s was shot in the head and killed in the Uptown neighborhood of Harrisburg, Pa., Thursday night. On Friday night in Harrisburg, one person was shot and wounded in the Allison Hill neighborhood. Kenneth Monahan, 33, and Brandi Monahan, 26, were shot and critically wounded in Chattanooga, Tenn., Friday night. Edgar and April Hedrick were shot and killed in Martin County, Ky., Friday night, and police suspect Edgar Hedrick’s cousin puled the trigger. Kendrick Lamond McGary, 24, and Ryan Rachon McGary, 29, were shot and wounded after being robbed by a man they had been playing cards with in Lakeland, Fla., early Friday.

A man was shot and seriously wounded in south Maui, Hawaii, Friday afternoon. One person was shot and wounded at a nightclub in Horry County, S.C., Friday night. Roger Gibson, 81, was gunned down in the coin shop he owned during a robbery in Ablemarle, N.C., Thursday night. Kimberly Ann Staack, 52, was shot and killed in a home in Gold Hill, Ore., early Friday, and police charged an acquaintance with her murder. A man was shot in the stomach by someone who stole his cell phone and wallet in Buffalo, N.Y., Friday night.

Saturday:

14-year-old Trevaughn Everett was found dead of gunshot wounds in the Avondale area of Cincinnati, Ohio, Saturday night. A 16-year-old boy was accidentally shot in the neck and killed at a home where people were cleaning their guns in Burley, Idaho, Saturday night. Three people, including a 17-year-old girl, were shot and wounded outside a market in north St. Louis County, Mo., Saturday night. A man was shot in the back in the parking lot of a Walmart in Russellville, Ark., Saturday morning, when his young son tried to pull himself into his pickup truck by grabbing hold of an unsecured shotgun when it discharged.

A 19-year-old man was critically wounded in a drive-by shooting outside his girlfriend’s home in Memphis, Tenn., early Saturday. Christopher Shockley, 28, was shot and killed by a convenience store clerk as he tried to rob a store in west Toledo, Ohio, Saturday night, and the clerk, 29-year-old December Long, was injured after the two exchanged gunfire. Kenneth “Kenny” Schreffler, 43, was killed and his girlfriend, Amber Rivenbark, 27, was wounded in a shooting in Brooksville, Fla., Saturday night.

Police say Justin Bledsoe, 25, shot his grandfather, 76-year-old James Bledsoe, and his mother, 45-year-old Jacqueline Bledsoe, multiple times in Little Rock, Ark., early Saturday. A man was shot in the leg while walking along U.S. 291 in Independence, Mo., Saturday evening. Antoine Dudley, 35, was found shot to death on the kitchen floor of a home in the Beltzhoover neighborhood of Pittsburgh, Pa., early Saturday. A 23-year-old man was shot in the foot and thigh while being robbed outside a party in Newport News, Va., early Saturday.

A 20-year-old man was shot and wounded in Greensboro, N.C., early Saturday. Devine Eatmon, 21, a student at North Carolina A&T State University, was shot and wounded on the school’s Greensboro campus late Saturday. Darren Johnson, 47, was killed and three others were injured in a shooting at a private club in Radcliff, Ky., early Saturday. A man in his 30s was found shot to death in a home in Huntington, W.Va., Saturday. A shooting in Oakland, Calif., left one person in critical condition early Saturday. A 25-year-old man was shot in the chest and wounded after a verbal altercation escalated at a Denny’s in Anderson, S.C., early Saturday.

Rahiem Martin and Lakisha Martin, who are cousins, were shot and wounded at an apartment complex on the northeast side of Indianapolis, Ind., early Saturday. A man was shot at a home in southeast Columbus, Ohio, early Saturday. Darius Scott, 20, was shot to death during an argument at the Greater Baton Rouge State Fair in east Baton Rouge, La., late Saturday. A man was shot in the stomach and wounded following a heated argument in Hermitage, Tenn., Saturday evening. A man was shot and wounded in the Highland neighborhood of Shreveport, La., Saturday night.

Sammy Gantt, 22, was shot in the chest and killed in northwest Atlanta, Ga., early Saturday. A man was found shot in the groin at a home in Sikeston, Mo., early Saturday. A man accidentally shot and killed himself when he and a friend were drinking and fooling around with a handgun at an apartment complex in north Terre Haute, Ind., Saturday night. Tonya Marie Lemon, 35, was shot and killed in Santee, S.C., Saturday night. A 42-year-old man was shot and wounded after confronting a man who had beaten his girlfriend in Fort Bragg, Calif., Saturday morning.

A man was found with multiple gunshot wounds in a parked car in Pomona, Calif., early Saturday. A man was shot in the leg near police headquarters in Atlanta, Ga., Saturday evening. 35-year-old Maurice Mabine and 29-year-old Trenita Jackson were shot and wounded inside a grocery store in Edenton, N.C., Saturday afternoon. A man was shot twice after refusing to hand over his wallet in Gilbert, Ariz., Saturday night. A 35-year-old man was found lying in a dirt driveway dead of a gunshot wound near Salinas, Calif., Saturday afternoon. A man was shot and wounded in downtown Jasper, Wyo., Saturday night. A man in his 20s was shot several times in the chest and killed in Muskogee, Okla., early Saturday.

27-year-old James Carter was shot and wounded outside a convenience store in South Bend, Ind., Saturday night. A man was wounded when his friend became startled and accidentally shot him while hunting in Catoosa, Okla., Saturday night.

Sunday:

A 5-year-old boy was wounded when a 22-caliber gun accidentally discharged in New Paris, Ohio, Sunday afternoon. Ryan Matson, 38, was cleaning his .45 caliber handgun when it accidentally went off in his kitchen, injuring himself and his 4-year-old daughter in Stonington, Me., Sunday afternoon. A man was shot three times and began knocking on doors in Dayton, Ohio, until someone drove him to the hospital late Sunday. Andrea Jinneth Corredor-Riveria, 25, a Colombian college student visiting relatives, died after accidentally shooting herself at the Salt River Gun Range in New London, Mo., Sunday morning.

Tonika L. Clark, 32, was shot and critically wounded following a traffic altercation on Florida’s Turnpike in North Lauderdale, Fla., Sunday night. A 23-year-old man was shot and killed during a firefight in west Philadelphia, Pa., early Sunday. Two men were hospitalized after a shooting in unincorporated Palm Beach County, Fla., Sunday evening. A 25-year-old man and a 23-year-old woman, who was nine months pregnant, were shot and killed, and a 75-year-old man was wounded, at a home on the west side of Detroit, Mich., Sunday afternoon; doctors were able to deliver the baby, a girl.

A 38-year-old woman was shot in the neck in Macon, Ga., early Sunday. A 24-year-old woman was hit by a stray bullet while walking past a restaurant in Wilmington, Del., early Sunday. A 30-year-old woman was shot in the stomach following an argument with her boyfriend in Spartanburg, S.C., Sunday afternoon. Linda Brown, 47, was shot in the stomach and killed in Bradenton, Fla., early Sunday, and her live-in boyfriend, Terry Braddy, 47, was arrested. A man was found shot in the chest and killed and a woman was found bound in Coatesville, Pa., early Sunday.

A man was shot twice inside a vehicle in north Tulsa, Okla., Sunday evening. Francisco Ibarra, 19, was shot and killed after a confrontation with two men in Fresno, Calif., early Sunday. An off-duty firefighter, 45, was shot multiple times in the chest and killed while walking toward his home on the east side of Cleveland, Ohio, Sunday night. A 21-year-old man was shot in the leg in Decatur, Ill., Sunday afternoon. Derrick T. Anderson, 28, was shot and critically injured while sitting in a car in Omaha, Neb., Sunday night.

Kevin McCoy, 41, was wounded in an earlier shooting in Omaha on Sunday. 17-year-old Richard Chapman was shot in the arm and wounded in Syracuse, N.Y., early Sunday; it is his third bullet wound in two years. A man in his 30s was shot and killed in San Jose, Calif., early Sunday. Two men were shot at a Waffle House in Lexington, Ky., early Sunday. A man was shot and killed after an argument with his estranged girlfriend in Henderson, Nev., early Sunday. Gary Colt, 50, was killed and Michael Parker, 56, was wounded when someone opened fire on them as they sat in the carport of a home in Lake Worth, Fla., Sunday night.

A man was shot and wounded while driving away from a party at a home in Carvins Cove, Va., early Sunday. A man in his 20s was shot in the leg and wounded in Xenia Twp., Ohio, Sunday evening. 34-year-old John Kubiak and 61-year-old David Shrader were injured in a shooting accident at the United Northern Sportsmen Conservation Club in Duluth, Minn., Sunday afternoon. A 20-year-old man was shot in the chest and critically wounded in Oxnard, Calif., Sunday. One person was shot and wounded on the south side of Saginaw, Mich., Sunday afternoon.

A man was shot in the leg during an argument with another man in Nashville, Tenn., Sunday afternoon. 48-year-old Carlos Davis was shot and killed following an altercation with three people in Birmingham, Ala., Sunday afternoon. A police officer was shot and wounded during a SWAT standoff in Oregon City, Ore., Sunday afternoon. Jeremy J. Meredith, 21, was found in the street, dead of a gunshot wound in south Richmond, Va., Sunday night. Mark Ellis, a 25-year-old hospital worker, was shot and killed after an argument over double-parking in west Philadelphia, Pa., early Sunday.

Two men, 24 and 25, were wounded in a shooting outside a lounge in Buffalo, N.Y., early Sunday. A man was shot and killed in a club hosting a rap concert in Minneapolis, Minn., early Sunday. At least three people were killed and nine others were injured in shootings across Chicago, Ill., since Friday.

According to Slate’s gun-death tracker, an estimated 10,163 people have died as a result of gun violence in America since the Newtown massacre on December 14, 2012.