my dad shot a doe bout 10 years ago runnin across a field an he hit her full stride an I mean she was skint back. he missed her the first shot but folded her up the second an it looked similar to what you have best we could figure was that when she flipped forward she must have flipped around the bullet so it came out the same side it went in bout three inches apart or it richoched or something. it was crazy. it was a brownin bar 30-06