The context of the following conversation is Alex was robbing a house and took Tracey hostage, so Alex cut Tracey's throat.:
Alex says I didn't have a choice..
The friend responds What do you mean you didn't have a choice?  It was murder!.
Alex responds She was going to go to the police!.
The friend responds Well now you are on the run from the law!.
Alex responds I know, I thought robbing that house would be so easy!.
The friend responds I cannot believe you killed her!.