NEW : 48-year-old shooting suspect may have viable defense , analyst says . Comment: Another teenager was injured ; he was treated and released . The teenagers had gone to a house to do a `` retaliation '' prank , police say .
NEW : 48-year-old shooting suspect may have viable defense , analyst says . Adrian Broadway , 15 , was shot in the head and died early Saturday . Another teenager was injured ; he was treated and released . The teenagers had gone to a house to do a `` retaliation '' prank , police say .