Tony throws the knife at the cardboard dummy at the range. It enters just below the "heart". When he retrieves the knife, it is nearer the dummy's waist/groin area.
When Ziva prepares to throw the second knife, initially she holds it by the blade, but when she throws, she is holding it by the handle.
At 07:10- before washing their hands men remove their suit coats and roll up their sleeves.
The fly larvae would not have been that of the common house fly which would have been attracted to any feces or urine. The type of fly would have been that of a blow fly which are attracted to rotting and decaying flesh.