sonia risken had taken them to her grave. o to those two husbands of hers? and who killed her? why? a few days after sonia's death, several fbi agents showed up at dennis bordeaux's house. >> i came home from work and there's cars parked at the end of the alley and one by my garage. i pulled my truck in and i thought, what's going on? they asked me if i knew sonia risken? and i said, no. >> sonio who? rican? >> yeah, do you know sonia bordeaux? and i go, yeah. he said, if you had the opportunity to kill her, would you? i said, in a heart beat. >> probably not the wisest thing to the fbi. it made him an instant suspect. they covered dennis, covered the bases and he had an alibi. they cleared him. remember, up in lopia, walk, sherri jackson had despised sonia for years, believe she ordered her brother's death. so detective rodriguez searched her computers, questioned her. also discussed those e-mails that offered sherri a way to murder sonia. >> when we reviewed the e-mails from the john bordeaux account, you have e-mails that b