Missing person cases that ended in tragedy

AP Photo/Westminster Colorado Police Department

Jessica Ridgeway disappeared after leaving for school on Oct. 5, 2012, from her Colorado home. Her body was found on Oct. 10. Austin Sigg, the teenager who prosecutors say confessed to killing the 10-year-old and attacking a runner in a separate instance, was formally charged as an adult on charges of murder, robbery and sexual assault on a child. If convicted, Sigg could face up to 40 years in prison.

Whitney Heichel, an Oregon barista who went missing on Oct. 16, 2012, was found dead three days later of multiple gunshot wounds. Jonathan Holt, the 24-year-old suspected in her death, attended the same Jehovah's Witness church as 21-year-old Heichel and her husband. Holt and his wife also reportedly lived in the same apartment complex as the Heichels. Holt was charged with three counts of aggravated murder.

Elizabeth Marriott went missing on Oct. 9, 2012. Seth Mazzaglia was charged with second-degree murder in connection to her disappearance, but the body of the 19-year-old has not yet been found. Police believe that Marriot was either strangled or suffocated inside Mazzaglia's apartment on the night she went missing.

Autumn Pasquale went missing on Oct. 20, 2012, while riding her bike around the neighborhood. Her body was found around on Oct. 22, 2012, in a recycling bin near her home. Two brothers, ages 15 and 17, were each charged with first-degree murder, conspiracy to commit murder, tampering with evidence and disposing of a body in connection to her death. Police said the brothers turned themselves in on Oct. 23, 2012.

Jake Ziegler and his friend Ray Pierce (not pictured) were reported missing by their families on Oct. 14, 2012. Investigators said the boys left a party on Oct. 13 and told friends they were driving to the beach. The bodies of the two missing teens were found on Oct. 28, 2012, in a car submerged in a South Carolina river. The were discovered by search crews who noticed a car bumper along the Wateree River near Interstate 20.

Ray Pierce and his friend Jake Ziegler (not pictured) were reported missing by their families on Oct. 14, 2012. Investigators said the boys left a party on Oct. 13 and told friends they were driving to the beach. The bodies of the two missing teens were found on Oct. 28, 2012, in a car submerged in a South Carolina river. They were discovered by search crews who noticed a car bumper along the Wateree River near Interstate 20.

Hannah Truelove, a 16-year-old Georgia girl, was found dead on Aug. 24, 2012, in the woods behind her apartment complex. Police are investigating the death as a homicide, due to discoveries that Hannah received injuries that "were indicative that she died from a violent death." Authorities don't believe it was a random assault and have information that the teen may have known her attacker.

Christian Aguilar, an 18-year-old freshman at the University of Florida, went missing on Sept. 20, 2012. Christian was last seen on Sept. 20, 2012 when he reportedly got into a fight with 18-year-old Pedro Bravo about Aguilar's girlfriend. His body was found three weeks after he was reported missing. Pedro was charged with first-degree murder.

Jonathan Dailey, a 23-year-old architecture graduate student from North Carolina, went missing on Oct. 2, 2012. His body was found on Oct. 9, 2012, in Boston's Charles River, and his remains were identified from dental records. Two sources told CBS Boston that there were chains around the ankles of the body attached to two cinder blocks.

Britny Haarup, 19, and Ashley Key, 22, were reported missing on July 13, 2012, from Haarup's Edgerton home. The bodies of the two women were found in a field after officials interrogated Clifford Miller in their disappearance. Miller, 31, was charged with two counts of first-degree murder. He told investigators he smoked methamphetamine before killing the two sisters in the northwest Missouri home.

Lynn Jackenheimer, a 33-year-old mother from Ashland, Ohio, disappeared around July 4, 2012, while vacationing with Nate Summerfield and her two children. Her body was found in a vacant lot in North Carolina about 20 to 30 miles from where she was vacationing. Police said Summerfield returned the woman's children to Ashland, where he also lived, and drove away. Summerfield was indicted by a grand jury on charges of first-degree murder.

National Center for Missing and Exploited Children

The body of 4-year-old Carnel Chamberlain, who went missing on June 21, 2012, was found under the porch of his home on a Michigan Indian reservation on June 28, 2012, where he lived with his mother, Jaimee Chamberlain, and her boyfriend, Anthony Bennett. Bennett, 20, was charged with assaulting Carnel. Although not charged in Carnel's death, Bennett faces a federal criminal complaint of reportedly physically abused the child in late May or early June 2012.