Earlier this summer, a Phoenix marijuana deal went bad and resulted in the deaths of three people. Now, details have been released about the investigation that led up to the massacre. After being connected with a group of buyers through a confidential informant, police planned to sell 500 lbs. of marijuana (seized in previous investigations) for $250,000. During the deal, something went wrong and shooting started. Many words come to mind when considering this horrible event, which ended with a detective…