The FBI teams up with local police in a multi-state murder investigation. Despite collaboration with Puerto Rico police, no solid leads emerge, and the cases remain unsolved. A chilling true crime story. #thefbifiles #truecrime #crimeinvestigation #forensicevidence #unsolvedmystery #coldcase #FBI #mystery #police #investigation | The FBI Files

These criminals operate with perfect precision, leaving no trace behind. Agents are stumped, finding only one puzzling clue at the scene: over a million dollars. Why leave that much money? It suggests they've done this before. #TrueCrime #Mystery #Unsolved #CrimeStories #Investigation | The FBI Files