You're assuming he hasn't built in back doors. At my one and only sysadmin job, the network was secured from likes of this guy by the senior engineer, a Vietna

You're assuming he hasn't built in back doors. At my one and only sysadmin job, the network was secured from likes of this guy by the senior engineer, a Vietnam vet with trust issues and whose talents weren't only technical. Nothing says "web of trust" like knowing your boss could show up at your door with a shotgun demanding answers.