Thanks to Adam Weinstein and Mother Jones, who've been tirelessly focusing on the story of the killing of Trayvon Martin, those who are interested already have incredible access to an in-depth investigation of this horrible event.

As of Tuesday, March 20, 2012, independent investigations at both the Federal and State level have begun - but George Zimmerman still has not been arrested.

Further, the state legislators who wrote the original 'Stand Your Ground' law think Zimmerman should be arrested - and that their law should not and does not apply to this case.

If you haven't heard the 911 phone calls yet - including the comments by Trayvon's girlfriend - you can listen below.

**Be warned - these phone calls are graphic.**

Trayvon's girlfriend talks about her phone call with Trayvon moments before his death