A US woman who "smiles and looks like anyone's mother or grandmother" has been accused by police of befriending another woman so that she could murder her and steal her identity.
Lois Riess, who has three children and one grandchild, is also alleged to have murdered her husband in Minnesota last month, before killing Pamela Hutchinson in Florida in April.
CCTV footage shows her at a restaurant with Ms Hutchinson, where Riess is suspected to have been trying to gain her trust before killing her.
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Riess is still on the run, and police are not entirely sure of her whereabouts. A nationwide manhunt is underway as a result.
Recent footage has shown Riess at Ms Hutchinson's Florida home, and authorities have spotted the deceased's stolen vehicle in Louisiana and Texas since the latest alleged murder.
Police say Riess is considered armed and extremely dangerous, despite her age and appearance.
"She smiles and looks like anyone's mother or grandmother," Lee County Undersheriff Carmine Marceno told NBC News.
"And yet she's calculated, she's targeted and an absolute cold-blooded killer."
The Minnesota Bureau of Criminal Apprehension has announced it is preparing second-degree murder charges over the death of Riess' husband. It says the same gun may have been used to kill Ms Hutchinson.