Investigators have identified persons of interest in the suspicious death of Melinda Holder, who disappeared in 1989.

The St. Johns County sheriff brought attention to a 15-year-old case that rocked the Putnam County community.

Three decades after a man was killed, his wife is still searching for answers.

The Jacksonville Sheriff’s Office is spotlighting a double murder cold case from June 2011 in the Ortega neighborhood to bring closure to those impacted by the crime, according to a release.

The daughter of a woman who was gunned down at a store on Kings Road in 1986 is hoping that the case can be solved 37 years later after the Jacksonville Sheriff’s Office reopened the case.

Imagine 21 years going by, and there being no justice for your murdered loved one? Sunday will mark that heartbreaking reality for the family of Mary Petersen,35, whose body was found by her two young children.

A Jacksonville family is still searching for answers in the deaths of two men, who were found dead inside a home in the Ortega neighborhood on June 28, 2011.

Investigators are still searching for whoever hit and killed a local nurse in 2016 while she was crossing Merril Road in Arlington.

Two years after three people broke into a Brentwood home, killed a man and injured his son, the murdered man’s widow -- who survived the vicious attack -- spoke to News4JAX about the case, which has unfortunately gone cold for investigators.

A mother who was helping people overcome drug addiction disappeared before her 37th birthday.

The Jacksonville Sheriff’s Office is spotlighting a case from 1997 in hopes of finding the person who shot and killed Marlon Harris in the road.

A man who was shot in Arlington and left for dead more than 30 years ago has new hope in finding those responsible.

Dorothy Munsey was found lying in the roadway almost 14 years ago at the intersection of Pepper Circle on Cinnamon Lakes Drive.

The Jacksonville Sheriff’s Office is hoping to get answers in the 2013 death of an 18-year-old.

Samar opened the door leading to the garage and saw her husband fiercely struggling with a man, who stabbed him. During her fight with the woman, Samar bit the woman’s arm until she bled. The woman threatened that they would shoot Saad if Samar didn’t give them all of the money they had. As she was held at knifepoint, Samar told the woman where to find the money -- about $30,000 -- in the kitchen cabinets. At the time of the murder, Baer had been an intelligence division detective and police said Baer knew Saad through work.

JACKSONVILLE, Fla. – After an investigation spanning more than two decades, Jacksonville police have announced the arrest of a retired Jacksonville detective and his then-wife in the murder of a business owner. Based on those profiles, Ivey said, William Robert Baer Jr., 64, who is a retired JSO officer, was arrested in Jacksonville on Wednesday. Ivey said Melissa Schafer, 50, who was Baer’s then-wife, was arrested in Jefferson City, Missouri. RELATED: What we know about retired Jacksonville officer arrested in cold case murderIn May 1999, Kawaf was getting ready to leave his home in the gated community of Deerwood on the city’s Southside. At the time of the murder, Baer was actively investigating Kawaf for an unspecified crime, according to police.

JACKSONVILLE, Fla. – More than two decades after a Jacksonville business owner was murdered in his own garage, police are turning to the public for help solving this cold case homicide. The Jacksonville Sheriff’s Office released a composite sketch of the woman after the stabbing, but she still has not been identified. The man’s identity also remains a mystery even though police collected his fingerprints and DNA from the scene. Margo Rhatigan told News4Jax. "We don’t know if that’s going to be a suspect vehicle.