Extra: Detective questions Karina Ditto co-worker about 'relationship'
January 5, 2013 7:30 PM
San Diego homicide detective Brett Burkett interviews Karina Ditto's friend and co-worker, Jonathan Mota, about his relationship with her. Det. Burkett talks with "48 Hours" about what he learned from Mota during the interview.Did fall down stairs kill Karina Ditto?