A Minnesota woman accused of killing her husband and a Florida woman before leading authorities on a cross-country manhunt has entered a not guilty plea to a second-degree murder charge.

News outlets report 56-year-old Lois Riess entered the plea Thursday in Fort Myers, Florida.

Court documents say 54-year-old David Riess was found dead at the couple's Blooming Prairie, Minnesota, home on March 23. Authorities say Lois Riess came to Fort Myers and soon met 59-year-old Pamela Hutchinson.

Investigators believe Riess killed Hutchinson to assume her identity. Riess was captured in South Padre Island, Texas, and returned to Florida to face charges. Charges in Minnesota are also pending.

The public defender's office in Lee County is representing Riess.

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This story corrects the spelling of the name Riess throughout.