One of the toughest things a criminal defense lawyer faces is getting access to information that comes easily to law enforcement. To help out our brothers and sisters, we have compiled this chart from the work of Meredith Martin, an investigator with the Office of the Public Defender in Bridgeport Connecticut. While we believe this information is correct as of the date of this post, companies often change their policy or procedure without notice to the general public, so be sure to verify before issuing your subpoena.