Transcript for Student Who Killed Friend Didn't Seem 'Violent,' Says Ex-Girlfriend
At what point you begin being suspicious. -- Honestly we even walked into the police station and I still didn't think ledger was capable of doing something so over and as I mean. This -- yet shy and now he wouldn't hurt by now he. Those animals and now he's are working and school never seem violent never seen --
This transcript has been automatically generated and may not be 100% accurate.