OK, now I've watched the video. Zot is absolutely correct. He was definitely stalled when he hit the ground, though it is difficult to tell for sure if that was what caused the accident or if he stalled it right at the end as he instinctively tried to avoid the oncoming ground. It was very clear, though, that as he approached the ground the aircraft was nearly level yet his velocity vector was obviously downward. That would mean that at least toward the end, if not earlier, the relative wind was coming from below and striking the lower surface of the wing at a sharp angle. That will definitely cause a stall.
I also noticed his left wing dipped right before impact which could have been due to the aircraft beginning a spin (which can only happen if the wing is stalled first). It's not entirely clear, though. The pilot also may have applied sudden left stick as he saw obstacles approaching.
If you are referring to the F-16 T-Bird incident, we was not stalled. He was pulling max G but did not have the altitude to pull it off/out.
Strickland is a good guy, just screwed up. . .all it takes in once. . .
If you are referring to the Hinter. . .didn't see anything that would involve a stall of any type.