President Trump, standing with his wife, Melania, and Japanese Prime Minister Shinzo Abe, speaks Monday in Tokyo at a meeting with the families of Japanese citizens abducted by North Korea. At center rear is Koichiro Iizuka, whose mother, Yaeko Taguchi, was abducted by North Korean agents in 1978. Andrew Harnik/AP hide caption
Todd Kohlhepp, 45, was arrested for kidnapping Thursday; on Saturday, he confessed to a nearly 13-year-old quadruple homicide. Spartanburg County Sheriff's Department hide caption
Formula One boss Bernie Ecclestone walks with his wife, Fabiana Flosi, in Singapore in 2014. Flosi's mother was kidnapped in Brazil and held for ransom last month; she's now been freed, police say. Mark Thompson/Getty Images hide caption
Linda Boyle (left) and Lyn Coleman hold a photo of their children, who were kidnapped in Afghanistan in 2012. Caitlan Coleman, an American married to Canadian Joshua Boyle, was pregnant when the couple was abducted. Bill Gorman/AP hide caption
Etan Patz, and the "lost child" poster issued after his 1979 disappearance. AFP/Getty Images hide caption
Campaigners marched Monday in Nigeria's capital of Abuja during a silent protest to raise awareness about girls and boys abducted by Boko Haram. Sunday Alamba/AP hide caption
A passerby watches a TV news program reporting two Japanese hostages, Kenji Goto, left, and Haruna Yukawa, held by the Islamic State group, in Tokyo, on Friday. Eugene Hoshiko/AP hide caption
Maureen B. Kabrik, a "#Bring Back Our Girls" campaigner, speaks during a sit-out meeting in Borno in support of the release of more than 200 Nigerian schoolgirls in August. Boko Haram militants, who seized the girls last April, have reportedly captured a key military base in the region. Afolabi Sotunde/Reuters/Landov hide caption
Members of the Abuja "Bring Back Our Girls" protest group sit during a march in continuation of the Global October movement. Once again, Boko Haram militants are implicated in killings and mass kidnapping in northeastern Nigeria. Afolabi Sotunde/Reuters/Landov hide caption
People call for the Nigerian government to rescue girls taken from a secondary school in Chibok region, during a protest earlier this month. Boko Haram, the group that took the girls, says they have been "married off." Olamikan Gbemiga/AP hide caption
Israeli President Shimon Peres (right) eulogizes the three Israeli teens who were abducted and killed in the occupied West Bank, Gil-Ad Shaer, U.S.-Israeli national Naftali Fraenkel, both 16, and Eyal Yifrah, 19, during their joint funeral July 1 in the Israeli city of Modiin. Baz Ratner/AP hide caption
Estela de Carlotto (center), head of the Argentine human rights organization that seeks to reunite babies stolen decades ago with their biological relatives, announced on Monday she had located her 36-year-old grandson. Martin Zabala/Xinhua/Landov hide caption
Nigeria's chief of defense staff Air Marshal Alex S. Badeh speaks during a demonstration in Abuja calling for the rescue of girls kidnapped from their school in Chibok. Badeh says the government knows where the girls are — but that a rescue attempt would endanger their lives. Gbenga Olamikan/AP hide caption