Questions about some of the scenes
How do the cops playing cards at night not at least hear about Shapiro's death from the loud explosion at her pool earlier that day? You'd think somebody would've told them. It's not like she was quietly murdered.
Why would Riggs take Rika to her apartment after surviving that intense shootout instead of going to the police station? And did Riggs see her get thrown into the water before the start of the next scene? If so, he doesn't act like he did.