1. scrutinize
The evidence was carefully scrutinized.
He scrutinized the men's faces carefully/closely, trying to work out who was lying.
I have to scrutinize the data.
She scrutinized the document and claimed that it was a fake
2. to examine something carefully in order to find out more about it or to find out what's wrong with it
3. to look into carefully
English word "inspect"(to look into carefully) occurs in sets:
Homework 12 (SPEC, SPIC, SPECT - to look)4. inspector
The inspector asked to see our train tickets.
He is a sanitary inspector.