Suspected gunman dead after shooting inside courthouse in Delaware A suspected gunman has been killed after three people were shot inside a courthouse in Delaware. Police told Fox 29 that a man walked into the lobby of the New Castle County Courthouse in Wilmington Monday morning and began opening fire before being shot and killed by Capitol police. After the shooting, the building was put on lockdown as SWAT teams cleared floors. Wilmington police Cpl. Jamaine Crawford told the Associated Press that two women and a man were shot. One of the women -- who was killed in the shooting -- was the suspect's estrange wife, Wilmington Mayor Dennis Williams said. The man shot is a security guard at the courthouse and had his cheek grazed by a bullet, Williams added. Five victims were taken for treatment to a local hospital with unknown injuries, Fox 29 reports. Click for more from MyFoxPhilly.com.