Comma after Americans.
"The" in front of mockingbird although I'd put mockingbird in quotes.
The "mockingbird" media.
"The" in front of conspiracy label.
Remove comma and add parenthesis around our tax dollars.
Should read: I did not want their blood money (our tax dollars) as hush money.
"In the name of justice, my husband, the souls lost on 9/11 and the wars that followed: the only thing that matters is the truth.
Remove "that" before close.
Insert "the" before who, what, when, where.
Replace "about" with "of the"
Comma after wars.
Quotations around comped. -"comp'd"
Remove the word plane.
Comma before and after Feb 12, 2009
Replace "for us being on that flight" with what you were just talking about. Maybe "there was a sinister motive behind that free plane ticket.
The last bit should probably be "Everyone on flight 3407 was killed that day to silence one person from speaking the truth."