MALONE, N.Y. -- David Sweat, the convicted killer who escaped from a North Country maximum security prison 23 days ago, is in critical condition at Albany Medical Center as of 10 p.m., according to the hospital's director.

Sweat was shot and captured Sunday afternoon in the town of Constable, less than two miles south of the Canadian border, the New York State Police said.

That brings an end to the manhunt after the other convicted killer, Richard Matt, was shot and killed Friday afternoon by a Border Patrol tactical team. Authorities say Matt refused to put down a shotgun as they cornered him in the woods. He was shot three times, according to an autopsy report released Sunday.

New York State Police Sgt. Jay Cook spotted a suspicious man, who turned out to be Sweat, walking down a roadway in the town of Constable. When Sweat, who was unarmed, took off through a field toward nearby woods, Cook fired two shots from his service weapon, hitting Sweat in the torso.

A law enforcement source said no member of law enforcement was injured during Sweat's capture.

Dr. Dennis McKenna said David Sweat was transported to Albany Medical Center on Sunday night. He said Sweat is being evaluated by a trauma team that will determine whether surgery is necessary.
 
McKenna said he cannot release further details, citing privacy laws.

New York State Police Superintendent Joseph D’Amico said, as of 7 p.m., Sweat had not been interviewed yet.

“There are a lot of blank spaces between when he left Dannemora three weeks ago and when he was apprehended,” D’Amico said.

Gov. Andrew Cuomo, speaking at a press conference Sunday evening, said the investigation into the brazen breakout remains under investigation. The investigation already led to the arrest of two prison employees – Joyce Mitchell and Gene Palmer – who are accused of helping the men get a hacksaw and other tools they used in their June 6 escape.

Investigators will work to figure out if anyone else helped, and any accomplices would be prosecuted “to the fullest extent,” the governor said.

Sweat was serving a sentence of life without parole in the killing of Broome County Sheriff's Deputy Kevin Tarsia in 2002.

"[Sweat] killed a Broome County deputy in a savage, savage way," Cuomo said.

Matt was serving 25 years to life for the killing and dismembering of his former boss. He also served a prison sentence in Mexico for killing a man there.

Sunday's capture brings to a close a 23-day manhunt that saw more than 1,300 members of local, state and federal agencies combing Clinton, Essex, Franklin counties -- and even the Southern Tier.

Matt and Sweat allegedly recruited the help of a prison worker, Mitchell, as their getaway driver, but she didn't show up when the two men climbed out of a manhole cover outside prison walls in Dannemora. Mitchell has since been arrested and charged after Clinton County District Attorney Andrew Wylie said she smuggled in a hacksaw and other tools inside frozen ground beef for the inmates.

Palmer has been charged for taking that ground beef to the inmates. His attorney says he didn't know the inmates were going to use the tools to break out of the prison.

Stay with Time Warner Cable News for the latest as more information comes in.