Ifhis computer if off, I cannot log in without username and pswd. Each time he reconfigures his computers, he changes pswds etc...
Emphasis on "if". Seems to me that a bright, resourceful, PATIENT woman might find just ONE 15-minute opportunity at some point in the next 30 days?
Means of communication (computers and cellphones) that a wayward THINKS are locked down, yield 10x the intel that one would otherwise yield if they're not so sure.