>>> right now at news4 midday other suspect a arrestingn the shooting death of 10-year-old mckya wilson. >>> remembering john mccain. i'm tracie potts in washington. coming up, the nation's capitol prepares for memorials this weekend. >>>emperatures are heating up but we are nice and crime we are not going to emuch in the way of rain relief. i'll show you how hot is about to feel this afternoon. coming up. >> announcer: news4 midday begins with breaking news. >>> today is an emotional day for arieving d.c. mother. a second man is now behind bars in connection to ther mur of her little girl mckya wilson. nicole jacobs is outside d.c. superior court where thehe m could learn more today about what happened to her daughter. >> reporter: less than 48 hours after pol circulated the mug shot this second gunman, he has turned himselfin, we're told. now there are at least two other suspects, unidentified at this point, thatll police are s looking for. not that there is ever any reason to shoot and kill an innocent 10-year-old child. today in court we could learn why. anotheran arrested. 21-year-