Marcus Coleman was sentenced to 45 years in prison after murdering his childhood friend over an argument over a small amount of marijuana found in the breezeway of Spiller's home.
In states with permissive gun laws, police and prosecutors have limited tools at their disposal when a heavily armed individual sows fear or panic in public.
Houston Police Sgt Kendrick Simpo was working a second job as a security guard at the Galleria Mall when he tackled Guido Herrera and grabbed his rifle outside a children s competition.