Racial Equality Under The Law: A Myth? Trayvon and Marissa

Trayvon Martin's case is still an open matter; not just because he died so senselessly but also the reason why his killer shot him in the first place and why he was found not guilty instead of imprisoned. It simply doesn't make sense to me and, I'm confident, a lot of people who feel that Zimmerman should be punished.
 Here was a boy returning from an errand and a supposedly well meaning neighourhood watch volunteer-Zimmerman- trailed him why... the boy's hoodie and (whether he wants to deny it or not), the colour of his skin. Trayvon was not armed and obviously was offended when Zimmerman approached him thinking he was a criminal and before we could catch our breath, Trayvon was shot in a so called  act of self defense; not an accident, so called self defense. Zimmerman's lawyers seem to blame Trayvon than this killer, for what exactly, when once again, I emphasize, he was not armed? I don't take sides with anybody nor judge anybody because of their race- I'm all for universal brotherhood. And I honestly thought that after all these years, America would treat its citizens equally regardless of race; yet some thought that Trayvon was at fault and deserved what he got. I read in Huffington Post about a  rascist- a 17 year old waitress- who actually posted on Facebook this terrible sentence: "Thank God For the Bullet That Killed Trayvon Martin". As a result she was sacked. (Unless she repents, she will answer to God in the Hereafter and May she burn in hell)
The all-female jury; another thing I did not understand at all- were they no mothers among them for God's sake? How would they feel if their own children were profiled because of their skin and manner of dressing and then killed? One juror fought for Trayvon to receive justice but being the only one she was in the minority and as such, Zimmerman went free. Why did they decide to say NOT GUILTY when Zimmerman had obviously killed Trayvon for no damned reason? Lack of evidence or rather lack of witnesses? So many questions that are yet to be answered. 
Supporters of Zimmerman no doubt feel that the African American citizens and the Africans round the globe shouting for this man's punishment are playing the race card. No... we are NOT playing the race card nor a persecution complex because a travesty of justice like this occurred some time back.

 Last year a black woman, practicing the same Florida law of ' Stand Your Ground' that protected Zimmerman, fired warning shots while fleeing her abusive husband, an attempt to scare him. Warning shots that was in no way aimed at him yet... yet!... she was sentenced to 20 years in prison! How that that possibly sound fair when she did not kill anybody and did the judge happen to remember she was trying to escape domestic abuse? My God!
If this is a racial issue, the law that allowed Zimmerman to go free forced the African American populace and other supporters  to make it a  racial issue because honestly- the verdict was so stupid and biased. Marissa Alexander's 'Stand Your Ground' defense was thrown out and she is to spend 20 years in prison while Zimmerman is grinning like a fool and free as a bird after killing Trayvon. If that is not racial discrimination; I don't know what it is!
I am sad, angry and very disillusioned. I know there is still some level of racism in America but I did not know it extended to such unfairness in justice. America is a country I hope to live in; but with this; all I can think about is how people with my skin have to be careful of what they say, do or go in order to avoid problems with the law or racists who are still bent on judging us because of the colour of our skin. Thank God for those who aren't like that; those who marched and advocated for racial equality. Trayon and Marissa's unjust justice is simply too outrageous to be ignored like that and the fight for them goes on.