Your premise - these are "main" elements. Why are they "main" elements?
Did Ms. Stone have a connection to these? No. Tearing down straw man arguments have no relation to her.
BTW, did anyone say explosives were actually in the car? Cops still say that explosives could have been in the car in the past.
Did Ms. Stone have a connection to these? No. Tearing down straw man arguments have no relation to her.
No one said that Ms Stone had a connection with them. Her story is the 4th element.
The reason they are elements is because they were used as reasons to justify their guilt. In other words, it provided a trail of incriminating acts which would lend credence to their guilt from the first alleged act. That of either plotting to blow up something in Miami or at the very least, of perpetuating a hoax.