FRISCO, N.C. -- The Dare County Sheriff's Department has issued a warrant for the arrest of Nathan Summerfield.
Jackenheimer, 33, of Ashland, Ohio, reportedly went on a Fourth of July trip to North Carolina's Outer Banks with Nathan Summerfield, their son, Leland, 3, and her 13-year-old daughter from a previous relationship, Ciara.
Summerfield, 27, was last seen in Ashland, Ohio on July 7 after dropping the kids off at a family friend's house.
The gray Honda Civic Summerfield is said to be driving hasn't been spotted.
A news conference is scheduled for Tuesday afternoon in North Carolina. has been issued.
Related story: Sheriff: NC body found is Jackenheimer
"This case remains an active investigation and information is limited to what has been provided," said Dare County Sheriff's Captain W. Charles Nieman.
Just before 5 p.m. Monday, the sheriff's department announced that the body found July 14 under some brush in Frisco, North Carolina, was Jackenheimer's.