you tracked this deer 2 miles and only found one bed? Did you hear deer busting any other time and after bumping him how long/ if at all, did you wait before resuming the trail?

As for killing him...first was there bubbles? how bright? and how much? A teaspoon here teaspoon there on snow isnt much! Second, is most of the trailing you have done on snow or bare ground? How much do you figure the deer has lost? You say sprayed 9ft? is that guess? Sorry just trying to get details.

As for the arrow, yes the broadhead end probably made it through and broke off either on brush or from the running motion of the buck. The feathered end is very well probably still in him! My Dall Ram from this year was shot quartering away, I "aimed" for the off shoulder and took out both lungs. The BH went through the shoulder half way and broke off. The rest of the shaft was in my ram 20 yards later when the ram fell bending it severly (a wooden arra) almost to the point of breaking. Just trying to get all of your details to try and make an edumacated guess 3000 miles away as to what could have happened. Btw, dont give up yet, but look at the terrain and the direction the buck is going...Topo's can help! If he is hurt he will start bedding down.