If the person you're looking for has ever created a website or has information you know was on the web but has been since deleted, you can look that website up via Wayback Machine, a database of billions of pages archived from 1996 to the present.
Ọ bụrụ na onye ị na-achọ ka ọ rụọla weebụsaịtị ma ọ bụ nwere ozi ị maara na ọ bụ na weebụ ma ọ bụ kemgbe ehichapụ ya, ị nwere ike ileba ebe nrụọrụ weebụ ahụ site na Wayback Machine , nchekwa data nke ihe karịrị ijeri peeji 150 nke e debere site na 1996 ruo ugbu a.