Yes, if in fact he had foreknowledge of another imminent threat, which no conclusive evidence is to say he did, I would then fully agree with the public safety exception. On the other hand, you state " I believe the neck injury that you're speaking of is the gun shot wound that entered his mouth and left through the left side of his cheek/throat."
Initially, it was stated by law enforcement via AP that suspect had a gunshot wound to the throat. Authorities, then state sited by multiple newscasts (New York News) that it was a short-range self inflicted gun shot wound. However, a member of the Massachusetts Bay Transportation Authority SWAT team who actually grabbed suspect from the boat described the throat wound as being a small knife like cut. Notice, how the officers react. CNN quickly cuts to still photographs. Now the MSM reports that the suspect was unarmed while situated in the boat. New york times stated that an M4 was found in boat. Why are the SWAT members reacting as though Campbell is saying something that he shouldn't? They have also been caught in another lie. They say after Jahar gave up, they then checked for a suicide vest? However, in the pictures released not too long ago, Jahar was seen clearly lifting his shirt. It was very convenient that he could answer basic questions and confess to a Time Square Plot.
CNN manipulated footage-
http://www.youtube.com/watch?v=kRLRNfjIEiE
Unedited stock footage-
http://www.youtube.com/watch?v=fd1iV3GCIk4
What is odd is Tamerlan Tsarnaev's death certificate. He was taken into custody and transported to hospital near dexter avenue, in Watertown at around 1:53am. Initially, media states that Tamerlan was taken into custody, alive and well.
Naked man taken into custody-
http://www.youtube.com/watch?feature=player_embedded&v=x9D8mz83ht8
Amazing how there's been complete silence from the media regarding not only this video and confirmation from the Aunt and Mother, but presently we hear no statements from the younger brother protesting his innocence. It's like the whole thing has been forgotten. Why all the silence?
I just find the whole incident quite confusing and strange.
Pictures-
http://imgur.com/gallery/ZUZfA
Doctor states Tamerlan was not run over as well as witnesses at the scene-
http://bostonherald.com/news_opinion/local_coverage/2013/04/beth_israel_staff_tried_to_save_bombing_suspect
http://cbsboston.files.wordpress.com/2013/05/tsarnaev.pdf
http://www.youtube.com/watch?v=pkkq6dMDD40