Dylon Ramirez, 16, was killed when two cars hit him and a teen girl in Edenwald, police said.
Douglas Kaplan, was going the wrong way up a Major Deegan ramp and sideswiped a truck, the NYPD said.
Raheem Barnes was arrested in connection with last Tuesday's triple shooting near 121st Street.
Thieves also stole the man's credit card, police said.
Kiyanoush Asif crashed his Kawasaki motorcycle into the side of a Honda and died Wednesday, cops said.
The 67-year-old man was killed while trying to cross Woodhaven Boulevard.
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