An Ohio judge found a 19-year-old guilty of murdering her boyfriend and another teen by deliberately causing a horrible accident. Mackenzie Shirilla was accused of deliberately slamming her car at 100 mph into a brick wall that killed her 20-year-old boyfriend Dominic Russo and his 19-year-old friend Davion Flanagan. Prosecutors say Shirilla was on a "mission of death" and methodically planned a murder-suicide.