Michael Olsen, 39, of Concord, California, was shot to death on July 27, 2020. The shooting took place in the early afternoon at a business park in the 2300 block of Stanwell Drive, just north of Concord Avenue; officers arrived after reports of gunfire around 12:40 p.m. and Olsen was pronounced dead shortly afterward.

Concord police arrested Pleasant Hill resident Harminder Singh Aujla in connection with Olsen’s killing; the department said the shooting was neither random nor gang-related and that no other suspects were believed to be involved. Authorities did not disclose the nature of the relationship between Olsen and Aujla or the specific circumstances that led to the shooting. Detective Kevin Giacoletto was listed as the contact for tips.

What did Olsen’s coworkers or anyone in the Stanwell Drive business park see that afternoon, and can anyone with information about his relationship with Aujla help investigators?