 
 <translate> To answer the question, consider the following: When Dave finally admits to killing Katie thinking he can escape with his life, Jimmy kills him and disposes of his body in the adjacent Mystic River.
Therefore, the answer is Dave. <ibo> Iji zaa ajụjụ ahụ, tụlee ihe na-esonụ: Mgbe Dave mesịrị kweta na ya gburu Katie n'ihi na o chere na ya ga-enwe ike ịgbanahụ ya, Jimmy gburu ya ma tụba ozu ya n'Osimiri Mystic dị nso n'ebe ahụ. N'ihi ya, azịza ya bụ Dave. 