As the American public has unfortunately witnessed time and again, members of the mainly Salvadorian street gang MS-13 are unflinchingly ruthless and evil. On Tuesday, three members accused of murdering two teen girls on their way home from school, laughed and joked around in the courtroom as the family of one of the slain girls looked on in horror.

"Enrique Portillo, Alexi Saenz and Jairo Saenz laughed and grinned amongst themselves, their shackles clanking, as prosecutors said they’d yet to hear if the Justice Department will allow them to seek the death penalty for the murder of best friends Nisa Mickens and Kayla Cuevas in Brentwood in 2016," reports the New York Post.

Cuevas’ parents were present at the Central Islip courthouse, staring down the men accused of murdering their 16-year-old daughter.

In 2016, Cuevas and Mickens, 15, were brutally beaten to death with a baseball bat and hacked up with machetes on their way home from their suburban Long Island school.

Attorney General Jeff Sessions "has yet to determine whether or not prosecutors can bring a capital case against Portillo, Saenz and Saenz," notes the Post.

The two other gang members charged under the same indictment, Mario Aguilar-Lopez and Jose Suarez, are accused of harming a bystander and murdering a rival gang member.

"MS-13 was started by Central American immigrants, mainly from El Salvador, in Los Angeles in the 1980s, but has since expanded to include several other Central and South American countries," reports Fox News.

There have been an estimated 25-30 murders in Long Island since 2016 committed by brutal MS-13 members.