last year, we hit a record in record deaths. 100,306 people died from deadly overdose year-over-year. here s the story of one. i just knew in my mother s heart, my son was dead. reporter: matthew davidson, 31 years old, died from an overdose on memorial day 2020. i just remember crying out, i wasn t ready to let you go. and spent some time alone with him, patting his hair, touching his hands. he looked like he was just asleep. reporter: davidson first addicted to prescription painkillers, then heroin, struggled with addiction for ten years. this isn t my first time i ve been in a program. reporter: in and out of recovery, overdosing more than once. his death ultimately caused by the powerful synthetic opioid fentanyl. at one point when his girlfriend was asleep, i think that s when he decided he was going to take this dose of what