The problems in this case for the prosecution / victim's family are fairly simple, yet the solution is incredibly complex.
Problem1 : No amount of punishment, allowed by THE LAW will ever be enough to satisfy the family, and the activists / Sharpton/ public / media etc...
Problem 2: The law would seemingly dictate that is is almost impossible that this would be Murder 1.
Problem 3: It would seem that the MAXIMUM Zimmerman could possibly be guilty of is Murder 2, and most likely negligent Homicide....
Problem 4: (See problem 1) In a case like this, murder 2 or negligent homicide (by an otherwise upstanding citizen) the sentence won't be enough to satisfy some, and it will be too harsh for some. No one will be happy, even if he does 8-10 years.
Problem 5: If it is Zimmerman crying for help in the audio tapes, and not Trayvon....the prosecution's case could go down the tubes. I believe based on the initial reaction by Trayvon's father that it was Zimmerman crying for help, but of course the FBI will analyze this...this will be one of the major, game changing points in the entire case. Everything hinges on this IMO. If Travon is crying for help, then it might mean Murder 2 is possible. If it is Zimmerman....all bets are off.
Solution: It would be difficult to accept as one of Trayvon's family members but it seems the most Zimmerman could possibly be guilty of is Murder 2...the very most. Depending on the difference between Murder 2 and Negligent Homicide, they may be able to force zimmerman into pleading guilty to negligent homicide, IF it is clearly Trayvon crying for help in the audio tapes. That is a large pill to swallow, but looking at it fairly unbiased, I don't see how a Jury would ever come to an appeal proof conviction of Murder 1 in this case...
Just my thoughts so far.