Just a FYI for those interested as some are uneasy with the new Administration. Mostly concerned with activities outside the US, but also have sections dealing with inside the US in association with the FBI and LEA.
There are similar guidelines for the FBI and procedure manuals for digital evidence collection. But really, with the advent of NSL’s there is no area that the Feds can’t secretly reach into.
R
https://cryptome.org/2017/01/cia-spy-us-citizens.pdf