the question was whether it was all truthful. >> lauren calciano was john guica's longtime girlfriendhat john giuca told her that antonio russo wanted to rob mark fisher and that giuca gave him the gun to do it. >> that's the testimony that brought me to my knees. and that's always been difficult for me to talk about, because i felt like she was like my daughter. what she did nearly destroyed me. >> it crushes you. it rips your heart out. >> i watched albert cleary testify. then i watched lauren calciano say the complete opposite. their testimony was contradicting each other. so, as a desperate measure, anna-sigga niccolazi called john avitto to the stand to say a complete different version than the other two. >> he was something of a surprise, yeah. he was something of a surprise. >> this jailhouse informant says that john giuca confesses to pistol whipping mark fisher, and somebody else grabs the gun and shoots him. >> so it puts john giuca right on the scene of the crime. >> the problem is it doesn't match the other two witnesses. and yet, it was presented as, you know, the smoking