Strike panics, fearing that Champ is on to him and Rodney. He later learns from Rodney that Buddha Hat also went behind Champ's back to take a bit of Papi's profits, and murdered him when he refused to pay.
Strike's panic is triggered by his suspicion that Champ has discovered his involvement with Rodney, and he later learns that Buddha Hat also took drastic action against Champ after being denied payment.