UPDATE: New cases added -- Indiana State Police and Crime Stoppers of Central Indiana hope people will come forward with information that will help them solve numerous cold cases.
Here are cases from several ISP districts and from Crime Stoppers.
Charles Hanna was fatally shot in his home on Indianapolis' southeast side in October 2010.
Burglars took 27 guns and a gun safe. Police believe the weapons are the reason Hanna was targeted.
Heidi Jones -- Aug. 26, 1978 -- Jones left her son with a babysitter and never returned. Her body was found on May 2, 1979 in the 7500 block of Edgewood Avenue in Indianapolis. Call Crime Stoppers at 317-262-TIPS with information.
Tiffany Tewell -- July, 1, 2008 -- Tewell was found fatally shot in her home in the 17000 block of Laurel Street in Indianapolis. Call Crime Stoppers at 317-262-TIPS with information.
Thomas Tefft – March 15, 2013 – Tefft was fatally shot at his home in the 7800 block of Harcourt Spring Place in Indianapolis during a robbery at his home. Tefft's 2009 Hyundai Sonata was stolen during the robbery. Call Crime Stoppers at 317-262-TIPS with information.
Sheri Herr -- Oct. 13, 1989 -- Herr was found beaten to death in her bedroom in Warren, Ind.
Darleen Anderson -- Oct. 21, 2005 -- Anderson was found beaten to death in her LaGrange home.
Terry Anderson -- Oct. 21, 2005 -- Darleen's husband, Terry Anderson, was found beaten to death in an outbuilding at his home, and items were taken from the property.
April Marie Tinsley -- April 1, 1988 -- Tinsley's body was found in a ditch along County Road 68 in DeKalb County. She had been missing from her home in Fort Wayne. Police believe she was killed.
Quang V. Nguyen -- March 16, 1993 -- Nguyen's body was found along I-64 in rural Perry County. He had been shot. His van was later found in Los Angeles. Call 800-742-7475 with tips.
Larry Howard Groves -- Jan. 28, 2003 -- Family members reported Groves missing. They got into his previously locked St. Joseph County home in June 2003, finding his body in a crawlspace, with the opening covered by a rug.
Rebecca Harvey -- Sept. 4, 1988 -- Harvey's body was found in her boyfriend's burned home in Washington, Ind. Police think Harvey had been doused with gasoline and set on fire.
Steven Hendricks -- Sept. 4, 1988 -- Harvey's boyfriend, Steven Hendricks, was also reported missing, and police believe he is a victim of foul play.
William Montgomery -- July 7, 1989 -- Montgomery was found fatally shot along the side of a road in Washington County. His yellow taxi was abandoned about a mile away.
Detectives believe a black, late '80s Chevy Monte Carlo stolen near the scene could be connected to the crime. It was found in a shopping center parking lot in Jeffersonville.
Ricky Lane Thomas Jr. -- Nov. 7, 1997 -- Thomas, 13, was reported missing with two dogs. He was last seen walking on Oak Ridge Road in Bristow, in Perry County. He was never found.
Bruce and Margaret Moser -- Jan. 4, 1978 -- Bruce Moser and his wife were tied up and fatally shot in their Wells County home. A small child was left alive and alone in the house. Call 800-552-0976 with tips.
Vickie McDonough -- Nov. 27, 1974 -- McDonough's body was found covered by old mattresses near a railroad access lane in St. Joseph County. She had been shot twice in the neck. Call 800-552-2959 with tips.
Marsa Gipson -- Aug. 27, 1991 -- Gipson and a male companion were westbound on I-70 at mile marker 33 in Putnam County when two large rocks were tossed from the Manhattan Road overpass.
The rocks broke through the windshield, one of them killing Gipson. Two people were seen, and the incident was not isolated as similar cases occurred in prior months. Call 765-653-4114 with tips.
Holly A. Anderson -- Jan. 9, 1992 -- Anderson was found dead on a county road in Vermillion County. It isn't known why her body was there.
Jennifer Stockrahm -- Feb. 12, 1997 -- Stockrahm's body was found in a burned vehicle in Harmony in Clay County. Police aren't sure if she was killed in the car or was placed there before the fire.
Lawrence Pfeifer -- Sept. 26, 1997 -- When the Indiana Lawrence Bank in Kewanna was robbed, the unknown suspects were driving Pfeifer's vehicle.
Samuel H. Kessler -- Jan. 29, 2012 -- Kessler was found fatally shot in his home near Ladoga, and his residence appeared to have been ransacked.
Clifford Smith -- Dec. 1, 1982 -- Smith was reported missing by his wife on Nov. 4, 1982. Trappers found his body near the White River north of Seymour nearly a month later. He had been shot.
Keyla Weddel -- Aug. 18, 1988 -- Weddel, a teacher and mother of 3, was found beaten death in the bedroom of her home in Medora.
Nancy Lyons -- June 17, 2002 -- Lyons' car was found abandoned along County Road 700 West in Rush County. It was running and unoccupied with the trunk open.
Lyons' skeletal remains were found in a soybean field along County Road 1000 East in Bartholomew County on Oct. 2, 2002.
Daniel Reaves -- May 4, 2008 -- Reaves left his girlfriend's house. His last contact with her was by text that morning. His car was found abandoned on Green Hills Drive in Madison.
The car had been parked in Madison since about 11 p.m. on May 3, but no clues were found as to his whereabouts.
Johanna Weaver -- July, 13, 1995 -- A maintenance crew mowing grass in the median of the north split discovered a decomposed body under debris 190 feet north and west of 13 th and Lewis streets. Weaver was a mother of two. Call 800-582-8440 with information.
Lola Katherine Fry -- Nov. 18, 1993 -- Fry was reportedly last seen at a residence in Greenwood and left in a red 1990 Mitsubishi Eclipse with plate "Lola."
Fry was believed to be headed to Ft. Wayne. She and the vehicle never arrived, and police suspect foul play. Call 800-582-8440 with information.
Timothy Willoughby and Mary Ann Higginbotham -- June 5, 1979 -- Both were last seen on June 6, 1978. Higginbotham's body was found in a 55-gallon drum in White Lick Creek in Mooresville a year later. His body was never found.
Higginbotham had been shot in the back of the head. Police think she was killed at her Clayton home and that Willoughby died the same day.
Daniel Davis -- Nov. 17, 1978 -- The Burger Chef restaurant in Speedway was robbed. 4 workers were taken to a wooded field in Johnson County and killed.
Mark Flemmonds -- Nov. 17, 1978 -- Flemmonds was another of the Burger Chef victims. The bodies were discovered two days after the abduction.
Ruth Shelton -- Nov. 17, 1978 -- Shelton was another of the Burger Chef victims. ISP focused its investigation on a group of people committing restaurant robberies at the time.
Jayne Friedt -- Nov. 17, 1978 -- Friedt was another of the Burger Chef victims. Anyone with information should call 800-582-8440.
Russell Elliott -- April 5, 2004 -- Elliott was fatally shot at his home at 8005 S. Zikes Road in Bloomington. His house was set on fire in an attempt to cover the crime. Call 800-423-1286 with info.
Eva Hale -- Oct. 15, 1996 -- Hale is believed to have been abducted while visiting her brother's grave at Marco Cemetery in Greene County. Call 800-423-1286 with info.
Bryan E. Haltom -- July 17, 1996 -- Haltom was involved in a rolling verbal altercation with an unknown driver on U.S. 231 north of Spencer. A witness says both vehicles stopped, and Haltom was shot when he approached the other driver. Shooter's car was a dark red or maroon import.
Audra Page -- July 9, 1996 -- Page was known to have dementia and not leave her Pleasantville home. Her body was found 25 miles away in Richland Creek in Bloomfield. Police say she wasn't capable of walking that distance.
Bennett Brown -- May 1976 -- Brown was last seen in Chicago after finishing his freshman year at Northern Illinois University. Brown said he was leaving to work at an unknown boys' camp. His body was found in Lawrence County, stabbed multiple times.