Possible Clues:

• Mounted policeman perhaps corners a looter
• Takeover pro
• I'd get in a rare invasion with this one
• How offensive A can be in 15 across
• One who makes surprise attack, perhaps to steal
• Lone attacker in Oakland?
• NFL pro
• I'd get into a rare muddle with the attack he has
• One who makes a surprise attack
• Maker of surprise attack