1) Alleged suspect, to the law 2) APB quarry 3) Baddie to a cop 4) BOLO target 5) Busted party 6) Collar victim 7) Collared one 8) Crime doer 9) Crime doer, to cops 10) Crime scene figure 11) Criminal 12) Criminal in police lingo 13) Criminal to a cop 14) Criminal, to cops 15) Crook, to a cop 16) Culprit 1) Culprit 2) Gunman 
Streetlurker, pedestrian.
Perp is American slang for a criminal, a wrongdoer.