There are more than 13,000 non-detained illegal immigrants convicted of homicide currently inside the U.S., according to a top Immigration and Customs Enforcement (ICE) official.

Fox News reported on a letter ICE Deputy Director Patrick Lechleitner sent to Rep. Tony Gonzales, R-Texas, with statistics on non-detained non-citizens with criminal convictions still inside the U.S. 

Non-detained citizens include those apprehended at the border and released as well as those currently involved in immigration court proceedings.

The letter states, according to Fox News, that there are 13,099 non-detained non-citizens with murder convictions, 15,811 with sexual offense convictions and 425,431 convicted criminals.

There are 222,141 total non-detained non-citizens with pending criminal charges. Of that total, there are 1,845 with homicide charges and 4,250 with pending sexual assault charges.