[Repealthe17thAmendment]

What she means by "tough call" is that they haven't figured out how to present different evidence than what presented in the last trial.

Every bit of evidence shows that Trayvon threw the first punch.

[txhurl]

What she *really* means by tough call is now the FBI probably has the contents of TM’s cell forwarded to them by the fired IT guy. MOM has been insistent about evidence made unavailable to the defense, and has promised to attach any further suits against GZ.