the murder of celebrity hairstylist fabio sementilli. it's a case we've been following closely. and now true crime news has brand new details on the arrest of one of the men involved in the murder for hire plot. he's the man investigators have been waiting to hear from. >> i look like a horrible person. >> this interrogation, obtained exclusively by true crime news. >> we had this case that's been going on for seven years. it's been investigated for a long time. we've learned a lot of things along the way. two people are in custody. you were a piece that was still outstanding. >> christopher austin finally arrested this past october, seven years after the murder of celebrity stylist fabio sementilli. >> hey, everybody. fab here for fab style fridays. >> talking about his alleged role in the stabbing inside this suburban los angeles home. >> the reality is, given the evidence that we already had, why you were arrested? you're not leaving today. being charged. i'm sorry. am i being charged? you are going to be charged. >> austin was arrested in washington state. prosecutors allege