20/20 returns for Season 45 on September 23, 2022. Season 45 Episode 31 is titled “Rocky Mountain Horror” Here is the synopsis ” A serial killer’s family reveals shocking secrets he kept to get away with murder.” An FBI Informant… … Continue reading Rocky Mountain Horror S45Ep31 Preview via @stacyamiller85 @ABC2020 @ABCNetwork #ABC2020 #LoriMcLeod #ScottKimball