Incident: A disgruntled former city employee enters City Hall Annex with a 12-gauge shotgun and extra ammunition, police say, and pulls the weapon on his former supervisor. Other workers were able to get the weapon out of the man's hands, and no one was injured.
Security: No metal detecting devices were available. Security was beefed up after the incident
Incident: A reportedly HIV- and hepatitis- infected man brought a knife into a courtroom and slashed his own throat, splashing blood on security officers
Security: Metal detectors were in place; following the incident they were recalibrated and retested
Incident: After a string of security breaches at county facilities, one woman used a knife to slash another person inside Milwaukee County's Criminal Justice Facility
Security: Metal detectors were in place at the courthouse, and security had recently been beefed up
Incident: A man was arrested after threatening a judge and attorney with a knife inside Mandan City Hall
Security: There was no security at the building's two entrances, although police officers were present in municipal courtrooms
Incident: A silver dagger with a four-inch blade was brought into the Old Lehigh County Courthouse by the siblings of a convicted murderer
Security: A metal detector was present, but only outside the courtroom, not in the building lobby.
Incident: A lawyer forgot his licensed weapon was in his briefcase and put it through the x-ray machine; the security officer was distracted and didn't see it until later, when the alarm was raised and the weapon tracked down
Security: The security officer was subsequently reassigned
Incident: A local television reporter passed a briefcase containing 10 banned items through the Milwaukee County Courthouse x-ray security checkpoint a total of 12 times in two days. A videotape showed a security officers looking away from the monitor as some items went through
Security: Authorities said they were shocked by the "gaping" holes in their security system
Incident: Police arrested a man who they say stabbed an assistant Linn County attorney in the back
Security: Stricter security measures were put in place to screen visitors and instal metal detectors
Incident: A woman with a scarf over her face walked into the Fort Bend County Courthouse with a pellet rifle and threatened a justice of the peace. She was subdued, and deputies found the gun was not loaded
Security: The county adopted an earlier plan to instal metal detectors and x-ray machines
Incident: A woman had a loaded gun inside her briefcase when she entered the Ramsey County Courthouse
Security: Deputies working security missed the gun when they opened her briefcase and searched it by hand; it was picked up on an x-ray scanner outside a courtroom