that's correct. >> reporter: so then, what about carmella badillo? looked pretty hard at carmella, didn't you? >> very hard. >> reporter: he considered whether carmella could have been responsible for heather's jagged haircut. >> it certainly piqued my interest. >> reporter: but kotsopoulos soon found carmella to be both cooperative and credible. >> carmella was extremely heartbroken. and anything that she could do to try to bring whoever did this to heather bogle to justice, she was gonna do. >> reporter: carmella's dna didn't match either. and when detectives asked carmella to take a polygraph, carmella agreed and passed, and so she too was cleared. >> and then as soon as i passed the polygraph, first thing i said "now will you do your job?" >> reporter: for those who'd been publicly named by o'connell as heather's suspected murderers, word that they were no longer suspects was little reason to celebrate. what's this all done to you? >> this has destroyed my life. it's hard for me to get employment. >> reporter: anybody ever apologize for sort of m