Missing persons

In this June 27, 2019, photo provided by John Lever an orthopedic plate is laid on a counter at Coowonga, Australia, after it was found inside a crocodile's stomach. Lever had been told the surgical device was from a person's body and had been contacted by relatives of missing people anxious for clues. (John Lever via AP)

This undated photo provided by the FBI shows 2-year-old Aiden Salcido, who authorities were searching in Montana. Police in Medford, Oregon, said Sunday, July 28, 2019, that Montana authorities have found a body believed to be that of the missing Oregon child. The boy's parents were found dead Wednesday in Kalispell, Mont. (FBI via AP)

FILE - In this Wednesday, July 10, 2019 file photo, a view of the Teutonic Cemetery inside the Vatican. An expert for the family of a Vatican teenager who went missing in 1983 says there are thousands of bones in an underground space near a Vatican cemetery. Giorgio Portera, engaged by Emanuela Orlandi’s family, said the extent of the cache emerged Saturday when Vatican-appointed experts began cataloguing the remains discovered on July 13. Portera said skulls and bones appear to belong to dozens of individuals. The Vatican made no mention of the number but said analyses would resume on July 27. (AP Photo/Gregorio Borgia, File)

Rescued migrants rest on a coast some 100 kilometers (60 miles) east of Tripoli, Libya, Thursday, July 25, 2019. The U.N. refugee agency and the International Rescue Committee say up to 150 may have perished at sea off the coast of Libya. The country's coast guard says the Europe-bound migrants are missing and feared drowned after the boats they were traveling on capsized in the Mediterranean Sea. A spokesman says they rescued around 137 migrants on Thursday. (AP Photo/Hazem Ahmed)

In this undated photo provided by the Deese family of Chynna Deese, 23-year-old Australian Lucas Fowler, left, and 24-year-old American girlfriend Chynna Deese poses for a selfie. The couple were found murdered along the Alaska Highway near Liard Hot Springs, Canada, on Monday, July 15, 2019. (Deese Family via AP)

FILE - In this Sunday, May 27, 2012 file photo, people hold pictures of Emanuela Orlandi reading, "march for truth and justice for Emanuela" in St. Peter's square, at the Vatican. An expert for the family of a Vatican teenager who went missing in 1983 says there are thousands of bones in an underground space near a Vatican cemetery. Giorgio Portera, engaged by Emanuela Orlandi’s family, said the extent of the cache emerged Saturday when Vatican-appointed experts began cataloguing the remains discovered on July 13. Portera said skulls and bones appear to belong to dozens of individuals. The Vatican made no mention of the number but said analyses would resume on July 27. (AP Photo/Andrew Medichini, File)

This undated photo released by the Inyo County, Calif., Sheriff's Office shows Sheryl Powell, who is missing. Inyo County Sheriff's Office spokeswoman Carma Roper says 60-year-old Sheryl Powell, of Huntington Beach, Calif., remains missing Monday, July 15, 2019. Her husband reported Friday that they selected a site in the Grandview Campground and she took their dog for a walk while he repositioned their Jeep. Roper says investigators have determined the husband is not connected to her disappearance. (Inyo County Sheriff's Office via AP)