PICTURED: Veteran FBI agent, 52, who stabbed his estranged wife, 54, to death before shooting himself outside their Maryland home just hours before they were due in court for divorce hearing

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An FBI agent stabbed his estranged wife to death before shooting himself dead just hours before they were due in court for a divorce hearing.

Donna Fisher, 54, was discovered with multiple stab wounds outside her Arundel Boulevard home, in Crownsville, Maryland on Wednesday morning.

David Raynor, 52, her recently estranged husband, was found nearby with stab wounds and a self-inflicted gunshot wound.

The pair, who were due in court Wednesday for a divorce hearing, were pronounced dead by emergency responders on arrival, Capital Gazette reports.

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Donna Fisher, 54, was found dead with multiple stab wounds, and David Raynor, 52 (both pictured) was found with stab wounds and a self inflicted gun shot wound to the head on Wednesday, just hours before they were due in court for divorce proceedings

An unidentified person called 911 on behalf of Fisher who had said her estranged husband Raynor was threatening her but when police arrived they were both dead. It is unclear if the couple shared any children

David Raynor, 52, and his estranged wife Donna Fisher, 54, were found with stab wounds and a self-inflicted gunshot wound outside a home in the 500 block of Arundel Boulevard in Crownsville, Maryland (pictured)

Police say they received a 911 call at just after 8am Wednesday morning from an unidentified caller, saying that Fisher had asked her to call 911 because Raynor was threatening her.

Officers responded to the domestic abuse call and found the victims outside the $600,000 home.

Homicide detectives have cordoned off the scene and the bodies were transported to the Office of the Chief Medical Examiner (OCME) for autopsy, according to the local CBS affiliate.

The crime scene at the $600,000 Arundel Boulevard home, in Crownsville, Maryland, on Wednesday morning

David Raynor, 52, who worked for the Baltimore Field Office, was found with stab wounds and a self-inflicted gunshot wound

Raynor, of Stone Point Drive in Annapolis, and his wife had filed for divorce in March 2017 and were due to appear in court today, according to court records. 

FBI spokesman Dave Fitz confirmed that Raynor, had been a special agent with the bureau since 1996.

The 52-year-old had been stationed at the Baltimore field office since 2003. 

Fitz declined to comment on the precise nature of Raynor's role.  

Police say they received a 911 call at just after 8am Wednesday morning from an unidentified caller