home. he was a good kid. he worked, mind his bis next everything. reporter: police say one of the shootings was possible retaliation for an incident over the memorial day weekend. investigators laid out a motive to include drugs and robbery but say the the the most were the result of stepped on my shoes. i don t like that color. you talked to my girlfriend. that s outrageous. reporter: the exesioner said vie also is down. reporter: the number of nonfacial shootings is down by six. despite mounting reductions of the police. there have been cameras added to neighborhoods and they re planning for even more police say they have suspects and warrants. as of tonight they have made no arrests. live at police headquarters, weijia jiang. thank you. police urge anyone with information on any of these incidents to report them immediately. questions are lingering tonight about the actions of maryland state police. after a trooper shot and killed a frederick county woman