Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: A U.S. Marine who strangled a Filipino woman before holding her head in a toilet bowl after flying into a rage on discovering she was transgender has been jailed for her killing. Lance Corporal Joseph Scott Pemberton was jailed for six to 12 years for killing Jennifer Laude in a hotel after taking part in a joint training exercise with the Filipino military in October last year. Police believe she had been drowned in the toilet bowl. Pemberton was at a bar with friends in Olongapo, a city known for its nightlife located outside Subic Bay, a former U.S. Naval base, when he met Laude, who witnesses say was a sex worker, on October 11.Lance Corporal Joseph Scott Pemberton was jailed for six to eight yearsHe admits choking Jennifer Laude in a hotel room October last yearThe Marine became enraged when he discovered she was transgenderBut he claimed Laude was still alive when he left the room, in OlongapoFound guilty of homicide but not the more serious charge of murder 
 Question:_ was due to be held in the national penitentiary in.

Joseph Scott Pemberton