Butler County is a county in the western part of the U.S. state of Pennsylvania. As of the 2010 census, the population was 183,862. Its county seat is Butler. Butler County was created on March 12, 1800, from part of Allegheny County and named in honor of General Richard Butler, a hero of the American Revolution. Butler County is part of the Pittsburgh, PA Metropolitan Statistical Area.

Indiana County is a county located in the West central part of the U.S. state of Pennsylvania. As of the 2010 census, the population was 88,880. Its county seat is Indiana. Indiana County comprises the Indiana, PA Micropolitan Statistical Area, which is also included in the Pittsburgh-New Castle-Weirton, PA-WV-OH Combined Statistical Area. Prior to the American Revolutionary War, some settlers proposed this as part of a larger, separate colony to be known as Vandalia, but opposing interests and the war intervened. Afterward, claims to the territory by both the states of Virginia and Pennsylvania had to be reconciled. After this land was assigned to Pennsylvania by the federal government according to the placement of the Mason–Dixon line, Indiana County was created on March 30, 1803, from parts of Westmoreland and Clearfield counties and was formally organized in 1806.

Brookville is a borough in Jefferson County in the U.S. state of Pennsylvania, 80 miles (130 km) northeast of Pittsburgh. As of the 2010 census the population was 3,933. Founded in 1830, it is the county seat of Jefferson County

CeCe Moore (born January 15, 1969) is an American genetic genealogist who has appeared as a guest on many TV shows and as a consultant on others such as Finding Your Roots. She has helped law enforcement agencies in identifying suspects in over 50 cold cases in one year using DNA and genetic genealogy. In May 2020, she began appearing in a prime time ABC television series called The Genetic Detective in which each episode recounts a cold case she helped solve.