Zinks last meal was a cheeseburger, french fries, cheesecake and a soft drink, official said.

In a final statement, Zink said:

“I can’t imagine the pain and anguish one experiences when they learn that someone has killed a loved one, and I offer my sincerest apology to Amanda Morton’s family and friends for my actions. I hope my execution brings them the peace and satisfaction they seek.

I also have to apologize to the second set of victims, my family and friends, that had the unfortunate circumstance of developing emotions which will now cause them pain and suffering upon my execution. I kept my promise to fight this case for their benefit, and although unsuccessful to prevent the execution, we have been successful in exposing some serious flaws that offend the basic concept of the American Justice System.

For those who remain on death row, understand that everyone is going to die. Statistically speaking, we have a much easier death than most, so I encourage you to embrace it and celebrate our true liberation before society figures it out and condemns us to life without parole and we too will die a lingering death.”

7:50 p.m.

A Missouri inmate who killed a 19-year-old woman after sexually attacking her and tying her to a cemetery tree has been executed.

Fifty-five-year-old David Zink was put to death by injection Tuesday at a state prison south of St. Louis after the U.S. Supreme Court and Gov. Jay Nixon declined to intervene.

Zink was a paroled sex offender in 2001 when he abducted Amanda Morton after hitting her car on an Interstate 44 exit ramp a mile from her home. He told investigators he feared his drunken fender-bender could violate his parole and send him back to prison.

Jurors convicted Zink in 2004 and recommended a death sentence.

Corrections Department spokesman Mike O’Connell said Zink was pronounced dead at 7:41 p.m.

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7 p.m.

The U.S. Supreme Court is refusing to block the scheduled execution of a Missouri inmate who killed a 19-year-old woman in 2001 after sexually attacking her and tying her to a cemetery tree.

The nation’s high court on Tuesday declined 55-year-old David Zink’s request to intervene. His lethal injection is set for later Tuesday. Gov. Jay Nixon also denied Zink’s request for clemency.

Zink was a paroled sex offender in 2001 when he abducted Amanda Morton after hitting her car on an Interstate 44 exit ramp a mile from her home. He told investigators he feared his drunken fender-bender could violate his parole and send him back to prison.

Jurors convicted Zink in 2004 and recommended a death sentence.

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6:50 p.m.

Missouri’s governor has cleared the way for the scheduled execution of an inmate who killed a 19-year-old woman in 2001 after sexually attacking her and tying her to a cemetery tree.

Gov. Jay Nixon on Tuesday denied 55-year-old David Zink’s request for clemency and refused to block the execution scheduled for later Tuesday at a prison south of St. Louis.

Zink was a paroled sex offender in 2001 when he abducted Amanda Morton after hitting her car on an Interstate 44 exit ramp a mile from her home. He told investigators he feared his drunken fender-bender could violate his parole and send him back to prison.

Jurors convicted Zink in 2004 and recommended a death sentence. Nixon called the acts “brutal and horrifying” and said his denial of clemency upholds the jury’s decision.

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11:30 a.m.

A Missouri inmate’s hopes of avoiding a scheduled execution for a 2001 killing are now in the hands of the U.S. Supreme Court and the governor.

A three-judge panel with the 8th U.S. Circuit Court of Appeals on Tuesday declined without comment David Zink’s claims that the death penalty is unconstitutional.

The St. Louis-based court on Monday rejected Zink’s challenge of the drug process used in lethal injections.

The nation’s high court is still weighing Zink’s case, and Gov. Jay Nixon is reviewing Zink’s clemency request.

Zink is scheduled to be put to death at 6 p.m. Tuesday for the killing of a 19-year-old Amanda Morton.

12:01 a.m.

A Missouri inmate is hoping federal appellate courts or the state’s governor spare him from his scheduled execution for the 2001 killing of a 19-year-old woman he abducted.

Fifty-five-year-old David Zink has 11th-hour appeals with the St. Louis-based 8th U.S. Circuit Court of Appeals and the U.S. Supreme Court, and a clemency request also was in Gov. Jay Nixon’s hands.

The Missouri Supreme Court declined to intervene Monday.

Zink was out on parole after serving 20 years in Texas on rape, abduction and escape charges when he abducted Amanda Morton after hitting her car from behind on a freeway ramp a mile from her Strafford home.

Zink later tied her to a cemetery tree in western Missouri, then snapped her neck before severing her spinal cord.

“The horror and fear 19-year-old Amanda Morton must have felt after being kidnapped by David Zink that July night is truly unimaginable,” Attorney General Chris Koster made the following statement following the execution. “David Zink callously took a young woman’s life, and it is fitting he pay by losing his own.”

Jurors in western Missouri’s St. Clair County deliberated 90 minutes in 2004 before convicting Zink and recommending a death sentence for the killing of Amanda Morton. Authorities said Zink abducted her after hitting her car from behind on an Interstate 44 exit ramp a mile from her Strafford home. Morton was driving home after visiting a friend.

Police found Morton’s Chevrolet Cavalier abandoned on the ramp with the keys in the ignition, the engine running and the headlights and hazard lights on. Her purse, credit card and medication were found inside the vehicle.

Just months before the slaying, Zink had been released from a Texas prison after serving 20 years on rape, abduction and escape charges. Fearing that his drunken fender-bender with Morton could violate his parole and send him back to prison, Zink initially abducted Morton, taking her to a motel. That site’s manager later saw a televised news report about Morton’s disappearance, recognized her as the woman who had checked in with Zink, and gave investigators Zink’s name and license plate number from motel registration.

Zink, after being arrested at his parents’ home, led authorities to Morton’s buried body in a cemetery, confessing matter-of-factly and at times laughing on videotape that he had tied her to a tree there and told her to look up. When the bewildered Morton begrudgingly glanced skyward, Zink said, he snapped her neck.

Worried that Morton might regain consciousness, Zink admitted, he used a knife to sever her spinal cord at the neck and covered her body with leaves before retrieving from his home a shovel he used to bury her.

“If I think that you’re going to pose a threat to my freedom, it is set in my mind I want to eliminate you,” Zink says in his videotaped confession.

An autopsy later showed that Morton had eight broken ribs and 50 to 100 blunt-force injuries. Morton also had been sexually assaulted, with DNA evidence linked to Zink found on her body.

Missouri has executed five men this year and 16 since November 2013. Only Texas has executed more inmates over that span