SALT LAKE CITY (AP) — The Latest on the death of a Utah worker who disappeared during a manhunt for a father and son accused of kidnapping (all times local):

2:50 p.m.

Police in Utah say they're still trying to confirm if a father and son accused of a kidnapping are connected to the slaying of a rail line worker but "it would be an amazing coincidence if they were not."

Centerville Police Chief Paul Child made the comments at a press conference Thursday, shortly after officers booked Flint Wayne Harrison and son Dereck James "DJ" Harrison into a northern Utah jail.

They're accused of tying up a woman and her four teenage daughters in a basement on May 10. The women escaped.

The father and son fled to Wyoming, and the body of missing worker Kay Porter Ricks was discovered along the route police believe they likely took to get there.

The Harrisons have been charged with kidnapping and other crimes but not with Ricks' death.

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This item has been corrected to show that the Harrisons have been charged with kidnapping and other crimes.

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1:05 p.m.

Police say they've found the truck that a slain rail line worker was driving when he disappeared during a manhunt for a father and son accused of a Utah kidnapping.

The Sublette County Sheriff's Office in Wyoming says an FBI agent spotted the pickup from the air Thursday as crews searched near the suspects' remote hideout in that state.

The discovery comes after the body of 63-year-old Kay Porter Ricks was found Tuesday night along the route Flint Wayne Harrison and son Dereck James "DJ" Harrison likely took as they fled to Wyoming.

Ricks vanished a few miles from where police believe the Harrisons were lying low after tying up a woman and her four teenage daughters in a Utah basement. The women escaped.

The Harrisons have been arrested, and police are investigating if they were involved in Ricks' death.

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This story has been corrected to show that charges have been filed against the Harrisons in the kidnapping.