Possible Clues:

• Rage is in him; rage finishes him
• Rage at having lost one's head in the forest
• Park policeman
• Alex Rodriguez, for one
• Officer showing resistance to one of 1 down
• In the open he loses his head with rage
• He may lose his head and put an end to 1 across
• Working in the open, it's all the rage for one to lose one's head
• 1994 Stanley Cup champion teammate
• R with rage and R.N. with rage