Attacks on legal marijuana sellers in Colorado

DENVER — At Medicine Man Denver, a retail and medical marijuana store, the first people customers meet are combat veterans like Keith Wood.
http://www.kirotv.com/news/news/colorado-marijuana-shops-turn-combat-veterans-prot/ndW6j/

Apparently the retail sale of Pot has cut into the bottom line of drug dealers in Colorado and retailers are hiring, protection services that employ Ex special ops  veterans like Blue Line Protection Group.
To protect their stores. Partly because its a cash only business, because the banks won't back them.