Hockey Homicide! Murder? Manslaughter? Accident?

This past Saturday, October 28, hockey player Adam Johnson had his neck fatally slashed by the ice skate of opposing player Matt Petgrave. The event was captured on video, which we'll share in today's show. CAUTION: The video shows the infliction of a fatal injury. The legal questions then arise: First, was this an intentional use of force by Petgrave on Johnson? Second, if intentional, would this killing be murder, manslaughter, or negligent homicide? These questions require b...