The actress that plays Mrs. Lee also played Tom Selleck's wife in An Innocent Man.
A law enforcement officer would never under any circumstances be allowed to investigate their own shooting. Neither Danny or Jackie would be on this case.
Amy Carlson and the IA detective played by Nestor Serrano played husband and wife in Law & Order SVU episode 2.7 "Asunder". It also starred Kevin O'Rourke.
First appearance of John Rue as Chief of Department Ed Hines.