Friend testifies cop joked 'help me hide the body?'

Georgia Cook has recalled a conversation she had with accused murderer Beau Lamarre-Condon. (Dan Himbrechts/AAP PHOTOS)

Nine months before allegedly killing his ex and another man, Beau Lamarre-Condon asked a close friend if she would help him hide a body, jurors have heard.

Georgia Cook was one of two long-time friends of the police officer to testify in his NSW Supreme Court trial on Friday.