You didn't really know his status until you got confirmation that Pedro's number belonged to "Barbara".
No. The card looked legit as did all his other documents. The forgeries aren't in crayola you know. I go so far as to refuse laminated SSN cards. It is illegal to laminate them.
I really had no idea how many of these guys were on the up and up until a fed trapper came to the property. We sounded a siren to call for coyotes and half my workers ran away.
Is that reason to fire them all? Did some run because others did? Maybe they owed child support (most do).
I should say siren sounding isn't probably the best litmus test either.