His condition also was not released. The building is used for juvenile court, but Blair says it is unknown whether the suspect is a juvenile or an adult.
Officials said the critically injured deputy is a woman but did not release her name.
The suspect was also shot during the confrontation in a gated area near the Wyandotte County Courthouse in Kansas City, Kansas. The wounded officer and the suspect were undergoing surgeries Friday afternoon.
He continued, saying, "Ruth and I will be praying for the victims and their families, as well as all our law enforcement officers and other first responders as we come together as a community to mourn this horrific tragedy".
Colón says he's "very confident it was a last-resort situation to ensure the safety of the public".
Kansas City, Kansas, police have taken over the investigation. Police spokesman Zac Blair said authorities will be reviewing surveillance video.
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Two deputies were shot this morning as they were transferring inmates from the Wyandotte County Jail to a hearing in the court services building across the street, in the 800 block of North 7th Street. We are standing with you, ' the Johnson County Sheriff's Office tweeted.
One Kansas sheriff deputy is dead and another is in critical condition after a shooting near a courthouse in Kansas City, Kansas, on Friday.
KSHB-TV reports the two deputies were transporting prisoners around 11:30 a.m. when they were "overcome" and were shot.
The Kansas City, Kansas police department is heading the investigation.
The deputies were shot after a suspect overpowered at least one of them and perhaps took a weapon, said Major Kelli Bailiff of the Wyandotte Sheriff's Department said during a press conference.
'Our thoughts and prayers go out to our brothers and sisters in Wyandotte County.