By Jorge Calvillo (staff@latinospost.com) | First Posted: Feb 06, 2014 01:49 AM EST

Michigan police charged a 59-year-old nurse with allegedly exhuming and dismembering her 32-year-old son, according to local media.

Tim Donnellon, sheriff of the St. Claire County, told the media that 59-year-old Donna Scrivo was formally accused of the disinterment, dismembering and mutilation of his dead son's body, Ramsay Scrivo.

"These charges are not the end of the case. We're still working on a murder investigation right now," said the interim chief of police, Tood Woodcox, according to Reuters.

According to a report by El Nuevo Herald in its website, on May of last year, Donna Scrivo requested a court to be the "provisional tutor due to emergency reasons because her son presented suicidal tendencies and was depressed due to his father's illness."

The same source points out that in the original hearing, two medical certificates were presented which proved that Ramsay Scrivo suffered from psychosis and represented a danger to himself, and so a judge assigned his mother to be his tutor.

Last Jan. 27, Donna Scrivo reported the disappearance of her son and said that he had left their home in St. Claire Shores and had not come back.

Later investigations revealed the statements of a witness that said he had seen someone throw garbage bags from a vehicle along the highways between the towns of China and St. Claire, in St. Claire County, 50 miles northeast of Detroit.

As they confirmed this information, police officers found human remains in the garbage bags that were thrown onto Michigan highways, remains that were later identified as being those of Ramsay Scrivo.

The man's cause of death has not yet been determined, and more charges are expected to be raised against Donna Scrivo when the autopsy finishes, according to CNN.

The same source revealed that the woman is under arrest and her bail was set at $100,000. A preliminary hearing will take place on Feb. 14.

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