was under the influence of heavy narcotics. >> reporter: michael holton had a cocktail of tramadoloxycodone, and hydrocodone in his system at the time of his death. was pretty much everybody in your family aware that michael had a drug problem? >> they were. it was something nobody wanted to talk about. >> reporter: and it's an embarrassment. >> right. i mean, he was, at one point, he was the mayor of eclectic, the fire chief. he was the best paramedic i knew. his drug problem got away from him and just down the hill he went. >> reporter: chris speculated that on the day of the shootings, michael was using the latest problem with their son as a way to win april back. >> it's an opportunity for michael to say, "look, you know, if the two of us were together, this probably wouldn't have happened." >> reporter: she says it's too late for that conversation, i'm moving on. >> yeah. that ship has sailed, and i think at that point, michael just snapped. i think michael killed april and then killed himself. i think michael couldn't face the world knowing he killed his wife, and the only op