Hostages

The man was investigated by British authorities as a possible "terrorist threat" but the investigation was later closed

The passenger was able to text police the location of the stolen Audi from the backseat

“Without the instruction we received, we would not have been prepared to act and flee when the situation presented itself," said Charlie Cytron-Walker

Authorities identified the hostage-taker as a British national, with the investigation stretching to England where two people are in custody in connection with the standoff

One hostage was released during the standoff; three others got out when an FBI SWAT team entered the building

A man took four people hostage at a Colleyville synagogue during services; shortly after 5 p.m., a male hostage was released uninjured

Police shot and killed the suspect, who was seen holding a gun to the victim’s head

Officers initially responded after getting several radio calls about an armed man committing several crimes

Police said the suspect fired at officers, striking one in the leg; the 4-year police veteran is in stable condition

The deputies were shot while attempting to free hostages inside the home, officials said

It wasn’t immediately clear if other bank employees were being held against their will

Children are now safe, police said. The suspect was not immediately identified

A powerful way to increase learning based on real incidents is to not only study what you do see but to envision what you might have seen

The inmate took the officer's radio and keys, and freed other inmates from nearby cells

Journalism experts say the move raises ethical concerns, but also recognize that sometimes "in-the-moment" actions are necessary