Concerns are growing for a Michigan family-of-four who have been missing for four days in what's been described as an 'abnormal' disappearance.
Anthony and Suzette Cirigliano, both 51, and their two sons, Brandon, 19, and Noah, 15, from Fremont have not been seen since Sunday (16 October), when Anthony displayed paranoid behaviour to police.
Fremont police and Michigan State Police have said that the family's phones have been switched off since then.
Police Chief Tim Rodwell said that everyone who personally knows the family are shocked by their disappearance although, at the time of writing, there is no evidence of foul play.
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He told NBC affiliate WOOD of Grand Rapids: "They all describe this as extremely abnormal behaviour from Tony and Suzette."
Prior to their disappearance, the family had been caring for an elderly relative with dementia, who was found wandering around their home city on Monday before being taken in for care by other members of the family.
"We don't see any signs of violence, we don't see any signs of foul play right now. There's no signs of struggle inside the home," Rodwell said.
According to police, the two teenage boys both have autism, and their father was displaying paranoid behaviour prior to their disappearance.
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He had called authorities and 'was talking about issues or information that he had regarding the Sept. 11th attacks'.
Officers subsequently visited the family on Sunday to see if they were okay before leaving, telling them to call back if they had any other issues.
They reportedly visited for around an hour and also spoke to Suzette - although no information is given about whether or not her behaviour was abnormal.
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"Honestly, that's a very abnormal thing to say, and make a police report of," Rodwell admitted of Anthony's comments about 9/11.
The police department is now urging anyone who sees the family to get in contact, and they are urging Anthony and Suzette themselves to get in touch to let authorities know they are safe.
State police believe they could be travelling in a silver 2005 Toyota Sienna minivan. It has the Michigan registration number DJL1982.
Fremont is located around 35 miles from Grand Rapids, and prior to moving to the city four years ago, the family had previously lived in South Carolina's Jasper County area.
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Anyone with information about the missing family is urged to contact Fremont Police on (231) 924-2100.
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Emma Guinness