The body of slain NYPD Officer Randolph Holder will be flown back to his native Georgetown, Guyana, for burial in a family plot in a cemetery after a funeral in New York City next week that is expected to be witnessed by up to 30,000 law enforcement officers from around the country, a law enforcement source said.

Attendance at the Holder funeral is expected to be as great as what was seen during the services for Dets. Raphael Ramos and Wenjian Liu, who were assassinated late December because the weekend is giving people more time to make travel arrangements, the official said.

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Visiting for Holder is scheduled for 9 a.m. to 6 p.m. Tuesday at Community Church of the Nazarene, 1414 Central Ave. in Far Rockaway. Holder's funeral is scheduled for 3 p.m. Wednesday at the church.

Holder's fellow housing police officers from Police Service Area 5 in Manhattan will serve as honor guards during the visiting and on the steps of the church during the funeral, the official noted.

Meanwhile, police are still searching the waters of the East River and surrounding shoreline for the .40-caliber handgun allegedly used by Tyrone Howard to shoot and kill Holder last Tuesday night during a pursuit along the promenade area of the FDR Drive.

Earlier Thursday police recovered a .22-caliber handgun that, a police source said, had been in the water a long time.