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February 13, 1:30 p.m.: Liberty "Libby" German and Abigail "Abby" Williams were dropped off to go hiking near Monon High Bridge just east of Delphi, according to family.
February 13, 2:07 p.m.: Libby posted a photo on her Snapchat account showing Abby walking across the old railroad bridge.
This was the last time anyone heard from the girls.
February 13, between 2:30 p.m. and 5:30 p.m.: The girls had a set time to meet with family members to be picked up.
When family showed up to get them they were nowhere to be found. Family began canvasing the area for Libby and Abby but could not locate them.
February 13, 5:30 p.m.: After family could not locate the girls they contacted the Carroll County Sheriff's Department.
The Carroll County Sheriff's Department, Delphi Police Department, and Delphi Fire Department were joined by the Department of Natural Resources to search for the two missing girls.
Sheriff Tobe Leazenby said crews began canvassing the area and tried pinging the girls' cell phones into the evening hours but had no success in finding them. The sheriff said they believed the girls' phones were either dead or turned off.
February 14, around 11:45 a.m.: The search for the missing girls was resumed. All crews were called to the area near the Monon High Bridge to continue the search for Libby and Abby.
February 14, 12 a.m.: The search for the two missing girls was scaled back around midnight because of the dark.
At this point in time, Sheriff Laezenby said they had no reason to believe that the girls were in imminent danger and crews would resume their search in the morning.
February 14, around 12:45 p.m.: The Delphi Fire Chief said they found Libby and Abby, calling the discovery "not good."
February 14, 2:10 p.m.: Indiana State Police PIO Kim Riley, Carroll County Sheriff Tobe Leazenby and Delphi Police Chief Steve Mullins hold a joint press conference to announce two bodies were found while crews were searching for Libby and Abby.
Those bodies were not identified as the girls, but search efforts were officially 'scaled back.'
February 15, 2:45 p.m.: Authorities positively identify the two bodies found Tuesday as Abigail Williams and Liberty German during a press conference held in Delphi.
Autopsies were performed earlier that day in Terre Haute, according to authorities.
February 15, just before 7 p.m.: Indiana State Police released the photo above of a man they believe was on the Delphi Historic Trail around the time that Abigail Williams and Liberty German were there.
ISP wants to speak with the man or anyone parked in the lot near the bridge about what they may have saw.
Thursday, February 16, around 7 p.m.: A search warrant was issued at a home on Bicycle Bridge Road. Police spent at least two hours taking photos and collecting evidence from the scene. No arrests were made.
Friday, February 17: Hundreds of tips have come in and dozens of extra law enforcement have been called to assist in the investigation, but still no arrests.
Saturday, February 18: Several Delphi businesses began hosting fundraisers in their neighborhood with proceeds benefiting the families of the teens.
Saturday, February 18: Thousands of people said goodbye to Abigail and Liberty during a private visitation for family and friends held at Delphi High School.
February 19, 1:15 p.m.: Indiana State Police consider the man pictured in the photo as a suspect in the murder case. Initially, the man was someone police wanted to speak with to gain information on the investigation.
Wednesday, February 22 at 10 a.m.: FBI and the Indiana State Police held a press conference, releasing audio from the day they were killed. Police say the audio came from German's cell phone. Listen to that audio here.
Wednesday, February 22: In a 10 a.m. press conference, police said the photo of the suspect on the trail was taken from Liberty German's phone. She's been heralded as a hero for recording the video.
Thursday, February 23: It was announced that phone calls to the Delphi Murder Tip Line would be answered at the FBI's Major Case Contract Center in Washington, D.C. The tipline number remains the same: 1-844-459-5786. Information can also be reported by calling 1-800-225-5324 (800- Call FBI).
Thursday, February 23: The FBI announced that it is utilizing approximately 6,000 electronic billboards in 46 states to solicit information on the case.
Friday, February 24: Community members “Light up Delphi” by installing orange lights in their porch lights as a tribute to the girls
Saturday, February 25: Investigators moved to a larger headquarters. ISP said the move was made to accommodate the city of Delphi, who has to use their building to conduct everyday business.
Monday, February 27: The reward being offered for information leading to an arrest in the case of two murdered girls from Delphi was increased to $96,000 thanks to donations from the community and local businesses.
Wednesday, March 1: Former Indianapolis Colts punter Pat McAfee and team owner Jim Irsay donated $97,000 to the reward fund to find the person who killed Abigail Williams and Libby German.
The donation pushed the reward up to $200,000.
Wednesday, March 1: Families of Liberty German and Abigail Williams tour the Delphi investigation headquarters. Abigail William’s grandparents leave a message of encouragement for police on the board at the new Delphi headquarters.
Thursday, March 2: ‘Singing Contractors” release an emotional tribute to Libby and Abby to draw more attention to the investigation.
Wednesday, March 8: Trail Safety Task Force formed to help improve the safety along the Delphi Historic Trails where Libby and Abby were hiking when they first went missing.
Thursday, March 9, 2017: Liberty German’s grandfather addressed the public for the first time since the murders. Mike Patty talked about who the girls were, their love of softball and the family’s desire to find their killer.
Friday, March 16, 2017: State and federal authorities execute a search warrant at the home of the Carroll County man who owns the property where two teenage girls were found murdered last month. Indiana State Police are not calling the property owner, Ron Logan, a suspect in the girls’ murders.