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: (CNN) Two New York residents accused of conspiring to support ISIS and plotting to set off a pressure-cooker bomb in the city have pleaded guilty to all charges, federal prosecutors and New York officials said. Munther Omar Saleh, 21, of Queens, and Fareed Mumuni, 22, of Staten Island, were charged with "conspiring and attempting to provide material support" to ISIS and with assaulting and conspiring to assault federal officers, the US Attorney's Office for the Eastern District of New York said in a statement. Mumuni also was charged with "attempted murder of federal officers." That charge resulted from an incident in which Mumuni repeatedly stabbed an FBI agent as law enforcement officials carried out a search warrant at his home about two years ago, officials said.Munther Omar Saleh, 21, and Fareed Mumuni, 22, are charged with trying to aid ISISThe pair plotted a pressure-cooker bomb attack in New York, officials say 
 Question:After his arrest, _ admitted that he kept a knife wrapped in a T-shirt in his bed to use in any confrontation with law enforcement officers.

Fareed Mumuni