The body of a homeless woman is found in a drainage ditch. There’s a fresh incision across her abdomen. Her pancreas had been harvested, the M.E. said, with surgical precision. When other homeless people begin to disappear, Ellen is concerned.

While Tobias is visiting his buddies at the shelter near Skid Row, a gang shootout erupts on the street in front of the shelter. One of the guns used in the shootout is a Russian-made assault weapon. How does that weapon find its way into the hands of an L.A. gangbanger?

When Tobias’ homeless friend, Lucinda, explains that...