Officer Sonny Kim killing: What we know

On Friday morning, officials say 21-year-old Trepierre Hummons lured police to Madisonville with two 911 calls. At about 9:25 a.m., Cincinnati police Officer Sonny Kim, a 48-year-old father of three, was fatally shot in an incident that still has not been fully explained.

Cincinnati Police Chief Jeffrey Blackwell said Hummons intended to commit suicide-by-cop. Officials did not release further information Monday.

Here's what is known and not known about what happened.

Was Kim wearing body armor?

Yes. It's not clear where or how many times Kim was shot. Officials have said Kim was shot multiple times, reportedly in the chest. But more information about the location of the gunshot wounds has not been released. After being shot by Hummons and falling to the ground, Kim struggled with Hummons, who eventually wrestled the officer's Smith & Wesson semi-automatic handgun from his hands.

Was Kim shot with his own gun after Hummons took it?

That information has not been released. After wrestling away the officer's gun, police say, Hummons began shooting at a Hamilton County probation officer who had stopped to assist. Another Cincinnati police officer pulled up and shot and killed Hummons.

How did the incident unfold?

At about 9 a.m., Hummons posted a cryptic note on Facebook, saying "I love every last one of y'all." Eight minutes later, Hummons called 911 for the first time, reporting a young man with a gun "acting belligerent" in the street. About 10 minutes later, Hummons made a second call to 911, and Kim responded to the call. Around 9:25 a.m., neighbors heard shots fired in the street.

Hummons' mother, Khanita Maston, told The Enquirer that her son waved for Kim to approach him and asked the officer to shoot him. Hummons and Kim fired shots, and Kim fell.

What was Hummons' alleged motive?

Hummons' family has said he was distraught Friday morning after an "altercation" involving his girlfriend. Several hours earlier, a woman filed a sexual assault complaint against him. Shortly before the shooting, according to Hummons' mother, he was drinking from a "jug."

Why was Kim alone?

In that district, during the day, officers typically do not have partners, police said. More than half of police patrols involve officers working alone in their cruisers. Two-officer patrols are scheduled based on the time of day, the neighborhood and other factors.

Who was the last Cincinnati police officer killed in the line of duty?

Kim is the first Cincinnati police officer killed in the line of duty since 2000, when Officer Kevin C. Crayon was thrown from a moving car after trying to stop a 12-year-old from driving. In 1997, Officer Daniel Pope and Spc. Ron Jeter, were shot and killed while trying to arrest a man on a domestic violence warrant in Clifton Heights.