CLARKSVILLE, Tenn. (Court TV) — A woman admitted to having an affair with a former paramedic who is standing trial for killing his wife and father-in-law, but insisted the defendant was an “honest” person. Matthew Konen sits in court during his trial on Oct. 1, 2026. (Court TV) Matthew Konen, 36, is charged with two counts of first-degree murder in the deaths of his wife, Rachel Konen, and her father, David Rogers. Both victims were shot and kil…