Tierney has been a regular commentator on Court TV (TruTV) since its founding in 1991. In that capacity, he has commented on a wide range of trials from the celebrated cases of the early 1990s to the recent military tribunals in Guantanamo Bay.
Tierney has been a frequent commentator on Court TV (TruTV) since its establishment in 1991. In this capacity, he has analyzed various trials, ranging from significant cases of the early 1990s to the recent military tribunals at Guantanamo Bay.