Truecrypt is discontinued.Micah Lee has some interesting insights into laptop encryption. 'Evil Maid Attack' and 'Cold Boot Attack'...
https://theintercept.com/2015/04/27/encrypting-laptop-like-mean/#attacks Snowden explains how to reclaim your privacy. https://theintercept.com/2015/11/12/edward-snowden-explains-how-to-reclaim-your-privacy/
