When Bunchy is serving burgers to his girlfriend and her son, he puts mustard on the burger with his right hand while holding the ketchup in his left. He passes the mustard to the kid, and grabs the ketchup again with his right hand.
The LAPD detective says Sunset/La Brea is 2 blocks from murder scene. The murder scene was a quiet residential neighborhood, and there's not quiet residential neighborhood 2 blocks in any direction from Sunset/La Brea.