The TSCI is in Nemaha Precinct, Johnson County,[1] about 2 miles (3.2 km) north of Tecumseh, Nebraska, it was established in 1997.

All inmates at TSCI are males who were adjudicated as adults and classified as medium or maximum custody.

The institution is designed to house 960 inmates; it is the only facility in Nebraska to house male death row inmates (except inmates who are within a week of their execution, who are housed at Nebraska State Penitentiary).

[2] A riot on May 10, 2015 resulted in the deaths of two inmates and injuries to two guards.

[3] Another incident occurred on March 2, 2017, resulting in the deaths of two inmates.