The only down side is having to go through another security check.
"I hope you don't mind my doing a security check before we go down."
If not, he wanted to have the security check already in progress.
If you're caught in here now, you'll be up for another security check.
Someone must have seen him go through the security checks.
The shift coming on also passed through a security check.
There was a good reason for all the security checks.
"This is the line to go through the security check," I told her.
Perhaps this really was just a random security check after all.