FILE - A sign hands outside the entrance to the Pine Ridge Indian Reservation in South Dakota, home to the Oglala Sioux tribe, Sept. 9, 2012.

PINE RIDGE INDIAN RESERVATION, S.D. -- The top federal prosecutor in South Dakota, stepping into the middle of a bitter dispute between the Oglala Lakota Nation and the FBI, has reopened a series ...

PINE RIDGE, S.D. (AP) — The only suicide prevention outreach program on a South Dakota Indian reservation where at least 15 young people have killed themselves this year will end in December due ...

It has been a year-and-a-half since the Oglala Sioux Tribe sued the United States due to a breakdown of law and order on the Pine Ridge Reservation. Continued reports of drug-related offenses ...

FILE – A sign hands outside the entrance to the Pine Ridge Indian Reservation in South Dakota, home to the Oglala Sioux tribe, Sept. 9, 2012. (AP Photo/Kristi Eaton, File) ...

FILE - A sign hands outside the entrance to the Pine Ridge Indian Reservation in South Dakota, home to the Oglala Sioux tribe, Sept. 9, 2012. A tribe has banned Republican Gov. Kristi Noem from ...

Gun violence, drug offenses and sexual violence have become increasingly common on the Pine Ridge reservation, which is more than 2.1 million acres (849,839 hectares) or at least 4% of the state.

FILE – A sign hands outside the entrance to the Pine Ridge Indian Reservation in South Dakota, home to the Oglala Sioux tribe, Sept. 9, 2012. A tribe has banned Republican Gov. Kristi Noem from ...

Gun violence, drug offenses and sexual violence have become increasingly common on the Pine Ridge reservation, which is more than 2.1 million acres (849,839 hectares) or at least 4% of the state.