Tom infiltrates the enemy compound.

Yanni was hired by an extremist Christian sect to infiltrate Muslims and mislead them.

An undercover operative infiltrated the organization.

If it infiltrates our organization, we are finished.

The company has been infiltrated by people working—wittingly or unwittingly—for China.

They have infiltrated our network.

He disguised himself as a peasant and infiltrated the walled city.

Your mission, Tom, should you decide to accept it, is to infiltrate the building and get the secret documents. As always, should you be caught or killed, the Secretary will disavow any knowledge of your actions. This message will self-destruct in five seconds. Good luck, Tom.

We cannot let them infiltrate our network.

We must not let them infiltrate our network.