Prosecutors in a high-profile US school shooting case have argued that the gunman should get the death penalty. While each mass shooting in the US is its own tragedy, experts say the killers share many things in common. Could identifying these traits help stop the next attack?
In the days and months leading up to the attack in Parkland, Florida, the killer listened to the same song on repeat: “Pumped up kicks,” by Foster the People.
The song’s plucky, whistle-tuned melody clashes with lyrics about a bullied teen who seeks revenge by shooting up his school.
