MassRoots Inc. last month jettisoned its CEO for alleged “serious misconduct” — claims of sex, drugs and misuse of funds — and last week slapped the former executive with a lawsuit, according to court documents obtained by The Cannabist. Attorneys for Denver-based MassRoots filed a Denver District Court complaint Nov. 14 against Isaac Dietrich, alleging the marijuana tech firm’s founder and former CEO violated the terms of his separation agreement by enriching himself to the tune of more than $250,000 and then publicly disparaged the company after his termination. In the complaint, the company also reveals the reasons behind Dietrich’s sudden departure on Oct.