UPDATED: Timeline: Gilgo Beach Bodies Investigation

Patch recaps the events during the four-month-old serial killer investigation that began with a missing woman last seen in Oak Beach in May 2010.

December 11, 2010: A Suffolk County Police canine unit investigating a missing persons case regarding Shannan Gilbert, a 24-year-old New Jersey woman who was reported missing in May and last seen in Oak Beach, discover what they believe are human skeletal remains at Gilgo Beach, three miles west of Robert Moses bridge, at 2:45 p.m.

December 13, 2010: The remains of three more bodies are found in the same location, within 500 feet of each of other.

December 15, 2010: The FBI offers up its forensic and investigative services in the case. Police seize a white SUV from an Oak Beach residence as part of the remains investigation.

December 16, 2010: Suffolk County Medical Examiner reports the remains are all female victims and that Gilbert is not one of the four female bodies discovered. The ME’s office holds a press event to explain forensic investigation approach.

December 17, 2010: Police hold a press conference to provide an update of the investigation, stating it had completed a comprehensive search of the beach area in both Nassau and Suffolk along Ocean Parkway.

January 19, 2011: Police identify one victim as Megan Waterman, a 22-year-old Maine woman reported missing in June 2010 from Hauppauge.

January 22, 2011: Remaining three victim identities still unknown.

January 24, 2011: Police reveal identities of three remaining victims, and Suffolk County District Attorney Thomas Spota declares the victims are the work of a serial killer. He also reveals all four worked as prostitutes using Craigslist ads. Police say the women were killed at different times, possibly a year apart in one case, and disposed of at different times. Suffolk Police Commissioner Richard Dormer says beach search would resume once weather conditions improve in spring.

March 29, 2011: Police search teams return to Gilgo Beach to resume search for Gilbert.

March 30 2011: Police confirm discovery of more possible human remains at a site east of the original search location.

March 31, 2011: Police rule out that the fifth set of remains discovered a mile east of the first four sets are not those of Shannon Gilbert, the missing 24-year-old New Jersey woman and Craigslist escort. Gilbert was last seen after visiting a client in Oak Beach.

April 4, 2011: Police find three more sets of human remains between Oak Beach and Gilgo Beach, bringing the body count to eight.

April 5, 2011: Police say Shannan Gilbert, the woman last seen in Oak Beach on May 1, 2010 is not one of the three bodies discovered on April 4.

April 7, 2011: April 11, 2011 marked the fourth-month mark in the serial killer investigation as police continued their seven-mile beach search.

: SCPD scheduled a briefing at a command center set up at the former OBI bar on Ocean Parkway to announce the Suffolk search effort was completed.

April 11, 2011: Two sets of bones were discovered by police near the Jones Beach water tower, bringing the total body count in Gilgo/Ocean Parkway serial killer investigation to 10. The remains, confirmed as human bones later in the day, are found just hours after Nassau, Suffolk and State Police embark on an intensive search of the parkway area west of the Suffolk County line.

: An aerial search by Nassau Police of the western portion of Ocean Parkway reveals no more bodies. Police later announce intentions to begin searching the waterways around Oak Island.

: SCPD’s 1 p.m. press briefing scheduled at Yaphank headquarters but note in the press alert no major developments were expected to be announced. Police using advanced photography technology and began waterway search efforts.

: Beach search efforts .

: announced they’ll conduct a search of Wantagh Parkway, closing the road from Ocean Parkway to Merrick Road May 2 at 9 a.m.

: New York State Police initiated a around the southern portion of the Robert Moses Causeway with Suffolk canine and homicide task force members. There’s still no news regarding identification of the last six sets of human remains.

: Suffolk County District Attorney Thomas Spota announced the last four sets of remains aren’t related to the serial killings of four women first found at Gilgo, and two sets of remains are related to two different female deaths, the death of an Asian man and death of a child.