what does "catch his sorry ass"mean?
“I can talk to Mike. I can think about talking to Eden Suskind, and the best way to approach her if I do. We can give the cops your ID of Justin Suskind, which gives them a reason to have a conversation with him—in a few days, to give Sherrilyn some time first. Not much is likely to come from that, but it should worry him when it happens. I can keep researching the dowry, and try to figure out why he thinks he’ll find it here.”
As he thought it through, he calmed. “I can trust the investigator to do her job. And as insurance? I can put together a plan to lure Suskind into the house so I can catch his sorry ass.”