Deshea Townsend oversaw a Detroit Lions secondary that finished 30th in NFL in pass defense this season but tied for the fifth-most interceptions.

The 49ers announced on Thursday they have completed an interview with Detroit Lions passing game coordinator/defensive backs coach Deshea Townsend for their vacant defensive coordinator spot. Townsend interviewed virtually for the opening.

The San Francisco 49ers began their search for a new defensive coordinator by interviewing Robert Saleh for a second stint at the job and Detroit Lions assistant Deshea Townsend.