Ferguson and Taccetta were two of four people shot and killed last Sunday in what's being called the Medford pharmacy massacre.
Ferguson was working Father's Day, his day off, as a favor to his boss when police say suspect David Laffer killed him and three others at Haven Pharmacy in Medford before stealing prescription drugs.
WCBS 880's Sophia Hall reports: Mourners Pack Church To Say Goodbye To Raymond Ferguson
Ferguson's wife stood by as the man she was to celebrate her 10-year wedding anniversary with this summer was carried into Our Lady Of Martyrs Church.
"This is a terrible situation," said a relative. "At the moment, everyone is sad. The family is all here right now."
Friends described the 45-year-old pharmacist from Centerreach as kind, always smiling and an overall nice guy.
Police said Ferguson was behind the counter when the suspect David Laffer came in firing.
Jaime Taccetta, 33, was a customer at the store. Prosecutors said Laffer allegedly waited by the front door for Taccetta and another customer, 71-year-old Bryon Sheffield, to enter and then shot them at close range as they walked inside.
Taccetta, a single mother of two daughters who was engaged to be married, was buried in her wedding dress. Her funeral mass was in Ronkonoma.
"The world is a sad place without her. There wasn't a bad thing about Jaimie Taccetta," said cousin John Brown.
Family and friends buried the youngest and the oldest victims Friday - 17-year-old high school senior Jennifer Mejia and 71-year-old grandfather Bryon Sheffield.
Laffer remained behind bars on suicide watch Saturday. His wife, Melinda Brady, was also in police custody after admitting she helped him plan to rob the pharmacy so they could their hands on thousands of painkillers.
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