Another way Trump is violating Federal law:
Congress Warns Donald Trump: Stop Deleting Your Tweets
"By doing so, Trump and his staff may be violating federal record "
"“Many of the messages sent from these accounts are likely to be presidential records and therefore must be preserved,” [...] “It has been reported, however, that President Trump has deleted tweets, and if those tweets were not archived, it could pose a violation of the Presidential Records Act,” Chaffetz and Cummings wrote in the letter."
www.huffingtonpost.com/entry/donald-trump-tweets-archived_us_58c1a8d3e4b0d1078ca51126