The team found out that Richard Martinson had been given cloroform right before he was murdered, and as Bob was a pharmacist, they decided to interrogate him. It turned out that the killer had done some shopping at his pharmacy that morning, so the shop became on the crime scenes in the investigation. Some time later, he called the police to try and help them catch his father's killer with his shop's CCTV cameras. That was in fact a helpful lead, as it led the team to Mindy Morel's arrest.
The next day, with Mindy already in jail, Bob asked the police for help to find a check he received from someone who was going to buy his shop. The check was found and it was discovered that the buyer was in fact Cecilia DiGiappo, who the team had met in a previous investigation. Bob was warned about Cecilia, and in fact he didn't sell the shop to her.
Bob is the first character with red hair to be introduced in the game.