Senate Committee on the Judiciary:
Subcommittee on Crime and Terrorism

Chairman:
Sen. Lindsey Graham [R-SC]
Ranking Member:
Sen. Sheldon Whitehouse [D-RI]
Republicans:
5
Democrats:
4

The chairman is always selected from the majority party and the ranking member is the most senior member of the minority party. The majority party ensures it has a majority on every committee.

Chairman
Lindsey Graham
South Carolina
Republican
Ranking Member
Sheldon Whitehouse
Rhode Island
Democrat
Chris Coons
Delaware
Democrat
John Cornyn
Texas
Republican
Ted Cruz
Texas
Republican
Richard Durbin
Illinois
Democrat
John Kennedy
Louisiana
Republican
Amy Klobuchar
Minnesota
Democrat
Benjamin Sasse
Nebraska
Republican