Man accused of Mason City homicide pleads not guilty

Mason City Man Pleads not Guilty

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(ABC 6 News) – Frederick Joseph Olson entered a not guilty plea to one count of 1st-degree murder Thursday, Jan. 11.

Olson was booked into Monday, Dec. 18 on the charge, after Mason City police found 63-year-old Leroy White dead during a welfare check on South Grover Ave. the same day.

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Murder in Mason City leaves Unanswered Questions

The day's local, regional and national news, detailed events and late-breaking stories are presented by the ABC 6 News Team, along with the latest sports, weather updates including the extended forecast.

(ABC 6 News) – The Mason City Police Department has arrested a man on suspicion of murder after a welfare check lead to the discovery of a dead body.

As part of their investigation, police arrested Frederick Olson, 51, of Mason City and he has been charged with murder in the first degree.

The arrest stemmed from a welfare check at 1916 South Grover Ave. around 1:30 p.m. on Monday, Dec. 18. Police eventually got a warrant to search the property, which is when officers found 63-year-old Leroy White dead.

Both the Cerro Gordo County Sheriff’s Office and the North Iowa Narcotics Task Force Special Operations Group helped in the investigation.

Anyone with information about this case is asked to contact the Mason City Police Department at 641-421-3636.

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(ABC 6 News) – A man was booked into the Cerro Gordo County jail around 11:30 p.m. on Monday, Dec. 18.

According to the jail roster, Frederick Olson, 51, was booked on a charge of 1st-degree murder – premeditation.

There was a heavy police presence in the southwest part of town on Monday night, but it is unclear if that was related to Olson’s arrest.

ABC 6 News is working to get more information, and will update with the latest as it becomes available.