Juan Marcos Diaz Prosecutors say the 45-year-old Oklahoma City man failed to keep his dogs confined.

An Oklahoma City dog owner is facing a second-degree manslaughter charge after his five dogs fatally attacked a 60-year-old man.

Juan Marcos Diaz, 45, was charged Wednesday in Oklahoma County District Court. Prosecutors say Diaz is culpable for the death because he failed to keep the animals confined.

Edgar Brown was attacked Oct. 6 in the backyard at 2209 SW 38. Diaz's backyard is directly north and a chain-link fence separates the two properties, police reported.

The dogs got into the neighboring property through a space under the fence, an Oklahoma City police detective reported in a court affidavit. Records described each dog as a “pit-mix.”