I thought about that. But consider, if you are on a book tour or your job as DCI takes you from place to place. Investigators will map the location of each access point you used. Airports, coffee shops, hotels, whatever. Then they'll match their map up with the various possible suspects. They'll look at security cam video and inspect hotel guest lists and airline passenger manifests. Bingo!
Thus, you need to be logging on from IP addresses that have no connection to you or your whereabouts. Maybe if you could arrange to VPN into a Russian office that does not keep logs and laughs at FBI subpoenas. Even then, there's the danger they traffic-analyze the data in and out of the VPN server.