AJ foils gem raid: "FORMER BACKSTREET BOY AJ McLEAN turned crime fighter when he nabbed a jewellery thief in Las Vegas.
AJ was trying on a watch at the Rocks store in the Hard Rock Hotel complex, when the would-be thief walked in and ran off with a �25,000 diamond ring.
The former singer sprinted after the robber before catching him in the hotel car park."