Double Harebrained News Today : Breaking News, Live Updates & Top Stories | Vimarsana

What's yours? >> yeah. double harebrained. >> reporter: alexander bennett was sent to prison and required to give dna. now, years later, that dna was tying him to heidi's murder back east in maryland. for baltimore prosecutors garrett glennon and matt breault, the dna was an enticing lead but far from definitive proof. >> it was enough to say it looks like it came from him, you know? but we can't say it's definitively his. so there was more investigation to do. >> reporter: so, the detectives went to work, looking for another connection between colorado native alexander bennett and the marylan...

A friend of bennett's wanted to bomb the courthouse. but they went further, building a real bomb and planting it in his house. the bomb squad was dispatched and that friend, hauled down to the station for an interview. >> they're grillin' him pretty hard 'cause that's a kinda serious crime. one of the detectives ultimately lets him listen to the 911 call and he recognizes grant lewis' voice. >> so it's not all muffled or disguised or -- >> no. no, it's just -- >> he said, "that's --" >> "--that's grant lewis, i know him"? >> yes. >> reporter: within days, lewis and bennett confessed to the who...