Countless links confirm that Marcus is a long time career criminal
http://www.419scam.org/emails/2008-11/28/00786014.3.htm
https://www.google.com/amp/s/www.buzzfeednews.com/amphtml/charliewarzel/the-latest-bitcoin-ploy-faking-a-super-bowl-ad-rejection
https://icoholder.com/en/aml-bitcoin-ico-3580

What else do you need to know about this fraudster?