Search their full name in a search engine
Check public social media profiles
Look up professional profiles like LinkedIn
Search news articles and press releases
Check public records and government databases
Search court records where legally available
Review business registrations and company websites
Look up property records if relevant and public
Search alumni directories and school websites
Check phone number and email lookup tools
Search username handles across platforms
Use people search websites
Review public forum posts and comments
Check mutual connections and public friend lists
Search image results for profile photos
Verify information across multiple sources
Respect privacy laws and platform terms of service