age over 65 doesn't need background checking?

[hlin4]

Hi All,
My sister (U.S citizenship) is applying for GreenCard for my parents, someone told me there's no background checking for the old (whose age > 65).
Is it true?
Greatly appreciate for reply.

Hai

 

[hlin4]

Hey, guys,
Could you just give me some advices?

Thanks.

Hai