Heriberto Martinez, Carlos Ortega accused in execution-style killings

The duo are accused of execution-style killings. (2/26/13)

CENTRAL ISLIP - Officials say more detailed testimony is expected today in the trial of two MS-13 gang members.

Heriberto Martinez and Carlos Ortega are accused in a string of execution-style killings.

Yesterday, a former gang member testified that Martinez was involved in the murder of an "El Rancho Bar" bouncer in Hempstead in 2010.

READ MORE: Long Island Crime Stories

The former gang member also testified that Ortega is linked to the murder of another MS-13 member who refused to kill rival gang members, according to Newsday.

The witness will return to the stand today.

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