brittany's life. her ex husband, terry eldridge.canning with deadly circumstances. >> after more than two decades covering murder investigations, reporter jamie knew that this one was a no-brainer. the husband who discovered his wife was having another man's baby was someone detectives needed to investigate. >> did you wonder, immediately, about britney's ex-husband. >> yeah, the ex husband is always here for a suspect. the divorce had not been -- it was a little bit ugly. >> so detectives questioned brittany's ex husband terry eldridge. >> terry was looked at by the police. they did take a dna sample. >> i think it crossed my mind, what if he did do this? you have to think about all of the different possibilities. could this person have done? this what they have done it? what would there be an of a reason to do? it >> but when the results of terry's dna test came back from the lab, it did not match samples from the crime scene. police also found out he was no where near the apartment at the time of the murder. his alibi was airtigh