. >> detective paul menzella says he acts guilty in front of police after shown dropping his mask insecurity camera. >> the look on his face was worth 1,000 words. you can just see his eyes and it was like where did you get that photograph? he pushed himself away from the table and put his head down. at that point, i knew i had something worthwhile. >> even so, the suspect does not confess to the killings despite friends and family members saying he resembles the man on the flier. >> i did my own survey. i drove around south florida. i could pick out 200 or 300 young men that looked identical to the person seen on that tape. so, any identification made of pablo was truly impossible to be made from that grainy tape. >> pablo -- >> authorities conclude otherwise and he's charged with three counts each of first degree murder. and robbery with a weapon. >> on counts one and two -- >> detectives are less certain about alex hernandez's involvement after an associate identifies him not as hernandez, but another member of their social network, 21-year-old seth. >> they showed him the photos.