and just him knowin' me as well as he did, that he was losin' me. >> reporter: that night, linda feltd tom were back on track. >> i remember comin' upstairs and he picked me up and threw me on the bed and was, like, ticklin' me. i think we both just felt like there's light at the end of this tunnel. and this is the old us. we're happy and silly and -- and we're gon -- we'll get through this, you know? >> reporter: the next morning tom was dead. and investigators were now learning details about his complicated personal life. a bit of a soap opera going on here. >> funny thing is, prior to meetin' you guys, we said this is a "dateline" case. >> reporter: and here we are. [ laughter ] >> reporter: despite what they heard from linda and gil, investigators were somewhat skeptical that this love triangle really had no jealousy or resentment. d.a. investigator bill weishaupt. >> we had to try to determine, was there some type of relationship that we weren't seeing between the victim and nunez? what was going on between the two of them that they would all -- that tom kolman would allow the se