Once the circle of glass shimmied loose from the pane, Mac pulled the suctioned handle, effectively creating a large enough hole to squeeze through. He was aware of the security grid that would alert the guards, should he pass through their path, so he had to act swiftly. Precisely.
Once he had his rig set up to propel him down, he clipped himself in and slipped through the hole. He made sure to hold on to the slack of the cable lest it fall to the ground passing through a security lazer, and ruining his plans.
To Be Continued...