Hundreds of police officers, emergency workers and mourning New Yorkers are expected to descend on a Massapequa church Saturday morning for the funeral of slain NYPD officer Jonathan Diller.

Credit: Newsday/Steve Pfost

Police officers begin to arrive arrive at St. Rose of Lima Roman Catholic Church, in Massapequa, for the funeral of NYPD police officer Jonathan Diller on Saturday, March 30, 2024.

Credit: Newsday/Steve Pfost

Police officers begin to arrive arrive at St. Rose of Lima Roman Catholic Church, in Massapequa, for the funeral of NYPD police officer Jonathan Diller on Saturday, March 30, 2024.

Credit: Newsday/Steve Pfost

The casket holding the body of NYPD police officer Jonathan Diller arrives at the church during the funeral held at St. Rose of Lima Roman Catholic Church in Massapequa, Saturday, March 30, 2024.

Credit: Newsday/Steve Pfost

The casket holding the body of NYPD police officer Jonathan Diller arrives at the church during the funeral held at St. Rose of Lima Roman Catholic Church in Massapequa, Saturday, March 30, 2024.

Credit: Newsday/Steve Pfost

A NYPD police officer becomes emotional at the funeral of NYPD police officer Jonathan Diller held at St. Rose of Lima Roman Catholic Church in Massapequa, Saturday, March 30, 2024.

Credit: Joseph Sperber

Ceremony where the coffin of NYPD Officer Jonathan Diller is moved from the Massapequa Park Funeral Home to St. Rose of Lima RC Church.

Credit: Newsday/J. Conrad Williams Jr.

Pallbearers carry the body of fallen NYC Police officer Jonathon Diller to St. Rose of Lima R.C. Church in Massapequa on Saturday, March 30, 2024.

Credit: Newsday/J. Conrad Williams Jr.

Pallbearers carry the body of fallen NYC Police officer Jonathon Diller to St. Rose of Lima R.C. Church in Massapequa on Saturday, March 30, 2024.

Credit: Newsday/Steve Pfost

Widow Stephanie Diller and her son Ryan at the funeral services for NYPD Officer Jonathan Diller, at St. Rose of Lima R.C. Church on March 30, 2024.

Credit: All Island Aerial.com/Kevin P. Coughlin

Photographer: Kevin Coughlin Thousands of police officers and mourners gather for the funeral for New York City Police Officer Jonathan Diller at St. Rose of Lima Roman Catholic Church in Massapequa Saturday March 30, 2024.

Credit: All Island Aerial.com/Kevin P. Coughlin

Thousands of police officers and mourners gather for the funeral for New York City Police Officer Jonathan Diller at St. Rose of Lima Roman Catholic Church in Massapequa Saturday March 30, 2024.

Credit: All Island Aerial.com/Kevin P. Coughlin

Thousands of police officers and mourners gather for the funeral for New York City Police Officer Jonathan Diller at St. Rose of Lima Roman Catholic Church in Massapequa Saturday March 30, 2024.

Credit: Newsday/Steve Pfost

Spectators watch the funeral of NYPD police officer Jonathan Diller held at St. Rose of Lima Roman Catholic Church in Massapequa, Saturday, March 30, 2024.

Credit: Newsday/Steve Pfost

The NYPD Pipes and Drums band arrives for the funeral of NYPD police officer Jonathan Diller held at St. Rose of Lima Roman Catholic Church in Massapequa, Saturday, March 30, 2024.

Credit: John Roca

Widow Stephanie Diller and her son Ryan at the funeral services for NYPD Officer Jonathan Diller, at St. Rose of Lima R.C. Church on March 30, 2024. Mar,30,2024.

Credit: Newsday/Steve Pfost

Stephanie, wife of Jonathan Diller, holds her son Ryan at the funeral of her husband, NYPD police officer Jonathan Diller, held at St. Rose of Lima Roman Catholic Church in Massapequa, Saturday, March 30, 2024.

Credit: Newsday/Steve Pfost

Stephanie, wife of Jonathan Diller, holds her son Ryan at the funeral of her husband, NYPD police officer Jonathan Diller, held at St. Rose of Lima Roman Catholic Church in Massapequa, Saturday, March 30, 2024.

Credit: Newsday/Steve Pfost

The casket holding the body of NYPD police officer Jonathan Diller is carried by the NYPD honor guard during the funeral held at St. Rose of Lima Roman Catholic Church in Massapequa, Saturday, March 30, 2024.

Credit: Newsday/Steve Pfost

Stephanie, wife of Jonathan Diller, holds her son Ryan at the funeral of her husband, NYPD police officer Jonathan Diller, held at St. Rose of Lima Roman Catholic Church in Massapequa, Saturday, March 30, 2024.

Credit: Newsday/Steve Pfost

Stephanie, wife of Jonathan Diller, holds her son Ryan at the funeral of her husband, NYPD police officer Jonathan Diller, held at St. Rose of Lima Roman Catholic Church in Massapequa, Saturday, March 30, 2024.

Credit: Newsday/J. Conrad Williams Jr.

Police officers take a moment to look at a rendering of fallen NYPD officer Jonathon Diller outside of St. Rose of Lima R.C. Church in Massapequa on Saturday, March 30, 2024.

Credit: Newsday/Steve Pfost

Police Officers watch the funeral of NYPD police officer Jonathan Diller held at St. Rose of Lima Roman Catholic Church in Massapequa, Saturday, March 30, 2024.

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