Dominique Luca (Kenny Johnson) often arm-wrestles to win bets or competitions for charity. In reality, Kenny Johnson was a world-class arm wrestler until he retired from competition in 1995.
S.W.A.T. units are usually called in for hostage situations or to take down heavily-armed perpetrators. The S.W.A.T. unit on this show often perform the duties of regular police officers to allow for more story lines in the series.
Rochelle Aytes plays the girlfriend/wife of Shemar Moore both in Criminal Minds (2005) and in S.W.A.T. (2017).
In Police Tactical circles, the methodology to clearing a house or room, breaks down as follows: The main entrance is designated number 1. The other sides of the house are label 2,3, 4, etc. in a clockwise manner. The corners where the sides meet are indicated by designated numbers joined by a forward slash in the middle ex: 1/2, 2/3, 3/4 etc.