When McCall is at the judge's house on his house phone, she tells the person on the other end to call her at (213) 555-0278. Minutes later Hunter calls the judge's office and the judge wasn't there. He asks for the judge's home phone number and is given 555-2078. Though the numbers don't match as they should, the call goes through with no mention of a wrong number later in the episode.
When the prison security guard asks if Cooley is all right after seeing him dead on the floor, right before the shot cuts away, you can see the actor playing Cooley is belly moving from breathing.