"Our thoughts and prayers go out to our brothers and sisters in Wyandotte County", the Johnson County, Kansas, sheriff's office tweeted almost two hours after the shooting.
The surviving deputy, a female, remains in critical condition, according to Bailiff.
KSHB-TV reports the two deputies were transporting prisoners around 11:30 a.m. when they were "overcome" and were shot. Kelli Bailiff. The inmate was taken in a van to a gated area behind the building, and when the inmate got out of van, he somehow overtook and shot the deputies, possibly with their own guns, Bailiff said. "The prayers of all of Kansas lift up the deputy killed today, the deputy still fighting for life, their families and friends, and their fellow men and women in law enforcement who keep our communities safe each and every day".
Both officers are deputies with the Wyandotte County Sheriff's Office. "Both incidents unfolded protecting other citizens", Smith said, adding that both incidents will be investigated internally by KCPD.
An aerial photo outside the courthouse showed a fire truck and several patrol cars parked in the front.
Deputy Patrick Rohrer, 35, was taken to a hospital where he later died, the Kansas City police said. Police Officer Zac Blair says authorities are reviewing surveillance video.
Details of what led to the shooting have not been released.
The deaths occurred in two separate police shootings in Kansas City, Missouri, on Thursday.
He held a moment of silence for the deputies after he finished his speech at the event.
This is the fourth incident in which Wyandotte County law enforcement personnel have been shot in the last three years, the Star said.
Colon said officers deemed the woman's behavior threatening, and an officer shot the woman. We are standing with you, ' the Johnson County Sheriff's Office tweeted.