Death Records Now

ok so my dad has being missing for about 1yr now. we have filed a police report, but still we know nothing!!! death records nothing!!! how can i find him??? i know his drivers lic # where can i go to track him with that? i also know his ss# i can track him with that right he has to be using it!!! his name is: jerry frank white 59 yrs old last time i saw him was in dallas texas!!! send me a msg if you can help me

My mom found her dad just recently about two years ago and she was separated form him when she was 5. So it is possible she looked on the internet for people with his name and sent them letter with her name and asking if they could possible be her father.