The latest defense for the crazies. The pills made me do it.....right........!
Not tinfoil hat time, either.
The shooters at Columbine (Kliebold and Harris), Kip Kinkel, and a host of other school shooters (during the Clinton administration) were on some sort of psychoactive medication, often prescribed for depression. There may well be a connection.
The shooter usually wraps the spree up by killing themselves.