so when the moment is right, you can be ready. >>> scott rooder sits alone in jail for the murder of an abortion doctor tiller. one of the people that knows him best is his ex-wife, lindsey rooder. the man she has married has long scared her. >> reporter: did you think in the years going by that your ex-husband was capable of murdering a doctor who provided abortions? >> yes. >> reporter: she never could have imagined the downward spiral that her life would take. >> were you in love when you got married? >> yes. >> reporter: do you still love him? >> i love this guy i married. >> reporter: this is the man she divorced. lindsay did not want to see her ex-husband in person in wichita, so she watched the preliminary hearing in the kansas city area where she lives. >> it's not a nightmare. it's life. it's true. >> reporter: over the years she saw her once stable husband becoming unglued and she filed for divorce after ten years. they stayed in touch because their sonic las was just 22. a year later when he was stopped with explosives in his car, lindsay warned investigators that he was da