India, April 19 -- Phoenix Ikner, who killed two people and injured six others at Florida State University in Tallahassee, joked about 'head trauma' and 'power' a night before the shooting, the Miami Herald reported exclusively, citing the 20-year-old's chat logs with college athletes. The revelation comes a day after Ikner opened fire on the FSU campus.

The publication further added that Ikner spoke about taking something to help him 'sleep like a champ'. The report included screenshots of his messages.

Phoenix Iker, son of a local sheriff's deputy, had access to his mother's guns and also attended training sessions, authorities had confirmed on Wednesday. He was taken into custody after being shot and injured by university police. The...