Before Kristopher Karolkiewicz allegedly killed his wife, Amanda “Mandy” Karolkiewicz, and their six children in an apparent murder-suicide, Mandy’s old Reddit posts revealed that the couple was allegedly dealt with past affairs and her husband previously cheated on her with an intern. In another post from 2024, Mandy detailed meeting Kristopher, 47, when she was an intern. We’re in a much better place 4.5 years out, but it’s still a fight to stay in a healthy place,” she allegedly wrote. Related: Husband Found Guilty of Killing Wife During Affair With Brazilian Au Pair UPDATE — 2/2/26 at 5:28 p.m. Additionally, Mandy wrote that having six children wasn’t always easy.