An unidentified murder victim from 1989 has the following profile: South Asian male, 35-60 years old, approximately 162-165cm tall, 110-119 pounds, perfect teeth with no dental work of any kind, DNA profile confirming South Asian ancestry. Investigators have searched Canadian missing person records for 35 years and found no match. An OSINT analyst argues that the absence of a missing person report is itself a clue about the victim's status in Canada. What are the two most probative hypotheses that explain why a man of this profile, in 1989 Ontario, would not generate a missing person report — and which databases or international sources should investigators prioritize that they may not have already checked?