A university scientist, searching for the cause of a rash of cattle killings, discovers that something is turning local dogs from gentle pets into deadly predators. Are secret government experiments on the campus to blame? David McCallum, George Wyner, and Linda Gray star in this shocker with bite. AKA: "Slaughter." 90 min. Widescreen (Enhanced); Soundtrack: English Dolby Digital mono; featurette; theatrical trailer; more. Two-disc set.