Katherine Dolan Heckel

Above: Heckel, circa 1991


Vital Statistics at Time of Disappearance

  • Missing Since: July 15, 1991 from Lock Haven, Pennsylvania
  • Classification: Endangered Missing
  • Age: 40 years old
  • Height and Weight: 5'5, 140 pounds
  • Distinguishing Characteristics: Caucasian female. Dark brown hair. Heckel's hair was shoulder-length at the time of her disappearance. She wears contact lenses and her ears are pierced. Her nickname is Kathy. Heckel's blood is type A positive. One of her teeth has been extracted and she has fillings on twelve others. She has a surgical scar on the right side of her abdomen from where her right kidney was removed.
  • Clothing/Jewelry Description: A sleeveless maroon, blue and yellow dark print dress, flat shoes (possibly tan in color, sized between 8 1/2 and 10), a gold chain necklace, quarter-carat diamond earrings, a wedding ring with three small diamonds and a gold and diamond engagement ring with a one-carat diamond.
  • Bar

    Details of Disappearance

    Heckel was last seen leaving her office at the International Paper Company in Lock Haven, Pennsylvania on July 15, 1991. She was employed with the company as a management secretary. Heckel called her two children just before lunch that days and said she was going to run some errands and would eat her lunch alone. At the start of her lunch break she drove her car out of the parking lot and never returned. Her father reported her missing the next day. Heckel's wasn't carrying any money or personal belongings at the time of her disappearance, and her financial accounts have been used since she went missing. Her silver 1990 Ford Festiva was found near the Lock Haven Hospital at 10:30 p.m. on July 17, two days after she vanished. The car was parked in third gear with the emergency brake applied, and the keys were missing. There was no evidence of her whereabouts at the scene.

    Heckel's husband of eighteen years was in the National Guard and was away from home on a two-week training exercise when his wife disappeared, so he was quickly ruled out as a suspect in her case. Authorities focused on another individual, Loyd Groves, one of Heckel's coworkers. Shortly before her disappearance, Heckel told a friend she was having an affair with Groves, who was also married. Heckel allegedly said she wanted to end their relationship but Groves did not. She said she was anxious and fearful of him and accused him of stalking her and sending her lewd messages. On the morning of the day she disappeared, she had a noisy fight with Groves and he was witnessed chasing her through the paper plant.

    Groves's van was seen leaving the International Paper Company at around the same time as Heckel's car. He claimed not remember where he was at the time of her disappearance, and allegedly attempted to manufacture an alibi. He seemed anxious and paranoid in the aftermath of Heckel's disappearance and repeatedly asked people whether the police thought he was involved, and he asked a friend to take care of his wife and children in case he got arrested. Type A human blood traces were found on Groves's van's upholstery, the middle seat and the interior light; DNA testing later determined the blood was Heckel's. Police also found a box of .25 caliber ammunition, a hunting knife, a partially used roll of duct tape and two duffel bags in the van, and a .25 caliber pistol in Groves's desk inside the paper plant. In January 2015, he was charged with her murder. He is awaiting trial. A photo of Groves is posted below this case summary.

    Heckel was declared legally dead on July 15, 1998, seven years to the day after her disappearance. She's described as a reliable employee and a devoted parent who would not have abandoned her son and daughter. Her children are now grown and live outside the area. Foul play is suspected in case due to the circumstances involved.

    Above: Loyd Groves


    Investigating Agency
    If you have any information concerning this case, please contact:
    Pennsylvania State Police
    Troop F


    Source Information
    Pennsylvania Missing Persons
    The Center Daily Times
    The Daily Collegian
    The Patriot-News
    Federal Bureau of Investigation


    Updated 4 times since October 12, 2004.

    Last updated February 6, 2015; details of disappearance updated.

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