Black ops

"Put the transformation pod near the bed, yes, right there."

"The process of memory replacement of the family is nearly complete, Doctor."

"Very well, place the subject in the pod and begin the transformation."

The odourless gas had done its work perfectly on all those sleeping in the house. The subject's father and brothers were undergoing a memory-altering procedure downstairs, while the subject was undergoing a different procedure.

The night creatures kept chirping away the hours, and the black ops of government found a new subject to perfect its methods over.

There would be behavioural and psychological changes in the family, but the subject would have to cope on its own.