Wiping information from the database doesn't account for people with an eidetic memory recognising you on sight. As for the BAU, interrogating Serial Killers is their bread and butter. But what do you do when one of them is talking and awake but not breathing? This was so not in the manual!
Reid didn't speak about his family, not his mother whose mind was destroyed by a demon passion, his father or uncle who just up and died. He really didn't want to talk about his siblings, how he left things with them, how he replayed the last words he spoke to his brother or his sister's face when he left. He took his mother's name and started over. But a family reunion was overdue
"BANG!" "Reid!" Morgan cried out as he took off running towards the sound of the gunshot. He got to the location just in time to see an old black car speed off. He looked around, but Reid was nowhere in sight. Reid gets kidnapped by the Winchesters.
Spencer Reid (Winchester) was beginning to realize that no secret can stay secret for long (it would never last forever).