Acoording to police, the 24-year-old male behind the mass shooting in Dayton, Ohio, killed his sister and eight others before he was shot dead by the police.

Image Source: Insider
Connor Betts was killed by police less 1 minute after he started shooting in the popular nightlife area called the Oregon District 1 a.m. Sunday.
Authorities say, the shooter’s 22-year-old sister, Megan, was the youngest of the 9 victims who were killed.
A motive behind the shooting has not been publicly discussed.