In the end, he was one man with a gun.

FORBES: Osama Bin Laden: The Anti-Leader

Russell Brand's Hollywood Hills home was a target Monday afternoon when a 911 caller told a Los Angeles Police Department emergency dispatcher that a man with a gun was in the house.

CNN: Ryan Seacrest's home 'swatted'

Responding to a home invasion robbery Friday morning, the Nassau County officer was told a man with a gun was inside the house but he was confronted with an even more complicated, dangerous situation when he stepped inside, authorities said: an armed suspect, holding a young woman in a headlock and using her as a body shield.

WSJ: Police Responding to Home Invasion Were Unaware of Hostages in Standoff

They were called there after a fire alarm, and found a dead man with an apparently self-inflicted gun wound.

BBC: Explosives found at Orlando university campus

Police in Indian-administered Kashmir say they have arrested a man in connection with Wednesday's gun and grenade attack in Srinagar in which five security personnel were killed.

BBC: 'Pakistani militant' held over Kashmir attack

Leicestershire police described the man as black, with a black or grey hooded top, who often appeared to have a gun.

BBC: CCTV picture of robbery suspect

Despite his myriad detractors, Zimmerman had his supporters as well, and they seemed to sympathize with the plight of a man so concerned about neighborhood break-ins that he bought a gun and dog and donned the mantle of neighborhood watchman.

CNN: STORY HIGHLIGHTS

Argenbright, which has been under federal investigation, appointed Beaton early this month to lead the company after a man slipped by a screening area at Chicago's O'Hare International Airport with knives and a stun gun.

CNN: License suspended for Boston Logan security firm