WOODSTOCK, Ill. (AP) — A former nurse at a northern Illinois nursing home gave "medication cocktails" to patients she thought had lived long enough or were too difficult to care for, according to a state health department report.

In some cases, Marty Himebaugh, who was indicted last spring, allegedly administered overdoses of drugs including morphine to "have a quiet shift" and in others she was "hastening the death of residents receiving end of life care" at the Woodstock Residence home.

Authorities began investigating the Woodstock, Ill., facility and two former employees, Himebaugh and Director of Nursing Penny Whitlock, after six suspicious patient deaths in 2006.

Himebaugh, 57, of Lake in the Hills, and Whitlock, 59, of Woodstock, have both pleaded not guilty to criminal charges, including neglect, stemming from some of the deaths.

The Illinois Department of Public Health's 130-page report was based on state police documents and staff interviews from February to April. It contained startling details about the alleged actions and motivations of Himebaugh and Whitlock, her supervisor.

Authorities allege Himebaugh, who was also charged with obtaining a substance by fraud and illegal possession of morphine, gave four patients unsafe doses of drugs. All four patients died, some within hours of receiving the drugs.

In one instance in the report, a nurse said she discovered a large amount of morphine was missing from the morphine bottle of a 56-year-old male patient who was diagnosed with Downs Syndrome and Parkinson's disease and who was "totally dependent on staff for all activities of daily living."

Himebaugh had just left the man's room, the nurse said.

Himebaugh attorney Sam Amirante did not immediately return messages from The Associated Press Thursday. He has repeatedly said his client is innocent and there is not enough evidence to convict her.

Also in the report, Himebaugh allegedly told co-workers, "Those people aren't meant to live that long. They are meant to die in their teens and I'm going to help him along."

Several nurses said "residents who staff usually identified as restless or agitated would be calm or sleeping/sedated after E14's shift."

"E14" is an alias for Himebaugh in the report, according to a document obtained Thursday by The Associated Press.

Whitlock faces five counts of neglect of a long-term resident and two counts of obstruction of justice. Prosecutors have said Whitlock allegedly told another employee to destroy bottles of the drugs Vicodin, Ativan and Risperdal with the intent to impede the police investigation.

Her attorney, Nils von Keudell, declined to comment Thursday.

"The case is pending at this point," he said.

A woman who answered the telephone at Woodstock Residence Thursday evening said no one was available to answer questions about the report.

The health department report alleges that at least one co-worker raised concerns to Whitlock about Himebaugh's performance.

Whitlock reportedly "giggled" in response before telling Himebaugh, "I don't care if you play the Angel of Death, just don't let me know about it," according to the report.

The health department received word of problems at the 115-bed nursing and rehabilitation center in October 2006, but was asked by Illinois State Police to suspend its investigation as police began their probe, said health department spokeswoman Melaney Arnold.

State police launched their investigation at the facility in September 2006 and ended it in April when Himebaugh and Whitlock were charged, said state police spokesman Lt. Luis Gutierrez

The ISP's final report has not been publicly released and is part of the ongoing criminal investigation, Gutierrez said. But the health department's report refers to parts of the ISP's report, including employee interviews.

The McHenry County State's Attorney's office used the health department's report, the results of the ISP investigation and medical records when considering charges, said Nichole Owens, chief of criminal prosecutions.

Owens said the attorney's office was not considering upgraded charges. She declined to discuss the contents of the health department's report.

"We can't comment on the strength of the evidence," she said.

Earlier this month, two wrongful death lawsuits were filed in the case against the company that holds the license for the home, Whitlock and Himebaugh. Both lawsuits, filed by family members of deceased patients, claim lethal doses of morphine were administered.