. >> his name and dr. michael dixon. >> hello, i'm dr. mike dixon. divorced and wealthy. rashel and dr. dixon dated for a year and a half before she broke up. >> he knew thafes dating jason. he called him by name in a series of text messages. he wanted me to come back to him. i told him no. >> reporter: but is dixon the kind of man to take no for an answer? johnson wants to find out. so he drives two hours to amarillo for a face-to-face conversation with rashel's ex, that detective johnson secretly records. >> dr. dixon, i'm with the lubbock police department. >> his first thing was, oh, my, i don't know anything about him. >> i haven't talked to her in months and months. >> okay, well, that's a little accounted, because she told us that he knew about the relationship. >> i'll be honest with you, i >> for detective johnson, alarm bells bells were sounding. >> reporter: dixon seems like a likely suspect, but he has an murder. >> there's something not right here, this is a huge whodunnit. until a witness comes forward with a name, dave shepherd, who soon confesses to the cr
dixon. he's a plastic surgeon in >> reporter: dr. mike dixon. >> hello. m dr. mike dixon. if you're considering plastic su >> reporter: well known, he's divorced, wealthy, and used to date richelle. >> he had a place in amarillo and i went there to get botox injections. >> what attracted you to him? >> he was funny, he was very witty, and he was enjoyable. if it can be enjoyable to have somebody put needles in your face, you know, i guess that's about as enjoyable as it could be. >> reporter: richelle and dr. dixon had dated for a year and a she started seeing dr. sonnier. >> did he know about your current relationship? >> he knew that i was dating joseph. he called him by name in a series of text messages, trying to get me to go out with him and to meet him for coffee. >> reporter: richelle says she rejected his advances but he was persistent. >> so he wanted you to see him on the side, basically? >> he wanted me to come back to him. i told him no. >> reporter: but is dixon the kind of man to take no for an answer? johnson wants to find out. so he drives two hours to amar
dr. joseph sonnier stunned everyone incling his gifriendry sheshl shetina. they found he was an haven't victim of a disturbing scheme in a case of jealousy and obsession spinning out of control. >> i was in shock. i was devastated. >> reporter: she was an un unwitting part of a bizarre love trle. >> evil followed m straight to joseph's door. >>eporter: and this morning richelle shetina girlfriend of wealthy prominent texas doctor and shot to death in his upscale lubbock home is speaking emotionally toxclusive exclusively to abc. her ex-boyfriend. dr. michael xon. >> there was an uglins from him to me. >> reporter: it's a tale of jealousy, obsession and revenge. dixon prosecutorsay was in love with shetina, desperate to split up her relatnship and hired his friend ex-con dave shepherd to kill sonnier. it's a claim dixon's lawyers investigatevigorously deny. >> mike dixon never wanted that to happen. >> reporter: days afterwards shepherd confesses. >> i check his pulse in his neck. he's dea
but dr. sonnier was in the way. >> reporter: the pillars of powewe's case -- police find the gun shepard used at the bottom of a lake, conveniently located behind dixon's office. and discover it's registered to dixon's brother. and they also find surveillance videos from the day after the murder.
Fetching more results