SALT LAKE CITY ?- Mark Hacking has been arrested in connection with the disappearance two weeks ago of his pregnant wife, Lori Hacking, a Fox News affiliate station in Salt Lake City reported Monday.
The television news station reported that Hacking was being booked at the Salt Lake City jail.
Police were to hold a news conference on the latest developments at 2 p.m. EDT.
The report came after the investigation into Lori Hacking's disappearance took a grim turn, as authorities redirected their attention to a landfill and her relatives asked volunteers to stop looking for her in response to new information from the woman's husband.
Detectives said Sunday that Mark Hacking, who had been in a psychiatric ward, directed a relative to give police the information about Lori Hacking's disappearance. Authorities would only say that the relative provided "additional substantive new information," said Detective Dwayne Baird.
Police initially said they were surprised when the families of Mark and Lori Hacking released a statement Saturday asking that volunteers stop searching for 27-year-old Lori Hacking based on new detail from her husband. The statement did not say what Mark Hacking had told them.
After speaking to the relative, Baird said police would renew a search at the municipal landfill, where a quadrant was cordoned off two days after Mark Hacking reported his wife missing July 19. Three border collies, a German shepherd and Labrador retriever searched the area without luck.
This time around, cadaver dogs will not be available until Friday, when the all-night searching can begin, Baird said.
Mark Hacking's parents, Douglas and Janet Hacking, refused to comment Sunday, as did his lawyer.
Lori Hacking's father, Eraldo Soares, said late Saturday he was unaware of any new information about his daughter. He did not return phone messages left Sunday.
Since Mark Hacking reported his wife missing, his credibility has crumbled amid revelations that he lied to his wife about enrolling at medical school in North Carolina and about graduating from the University of Utah.
The day after her disappearance, he was taken to the psychiatric ward after he was seen running around at night naked outside a motel where he'd taken a room.
Investigators focused on Mark Hacking, 28, after learning he was at a store buying a new mattress just before reporting his wife missing. Authorities were later seen removing a box spring from the couple's apartment. Investigators have refused to confirm reports that they found a mattress in a nearby trash bin.
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