» Nikko Jenkins faces four counts of first-degree murder; a sister and an uncle face one count each in the same deaths.

» Six counts of using a gun to commit a felony.

» Eight counts of weapon possession by a felon.

» Four counts of conspiracy to commit robbery.

» Four counts of being an accessory to murder.

» Two counts of being a felon in possession of ammunition.

The increased violence comes in the generation that grew up in the 1990s, as gangs took hold in Omaha.

“The people around you, that's where you learn your values and who you should choose as your role models,” said Spohn, the UNO criminologist.

In the past five years, dozens of programs have been developed in Omaha that are aimed at addressing poverty, violence, education, gangs and other problems there.

“That can help future generations, but we can't go back in that way and help Nikko's parents or Nikko's grandparents,” Spohn said.