He was indeed an absolute sweetheart. Almost two and a half years later and his disappearance still baffles me. I don't understand how they've yet to find anything.
Matthew is still missing and is listed in NamUs twice, once under MP64801 (created 1/20/20) with a DLC 1/13/20 and again under MP122398 (created 5/20/24) with a DLC 1/19/19.