After shifting through more than 7,000 pounds of fire debris, "valuable evidence" was collected.
Kentucky State Police said the shooting happened in the 2300 block of Devils Hollow Road Jan. 18.
Frankfort couple arrested after authorities say children found in 'absolutely horrifying' conditions
According to online court documents, 40-year-old Gregory Johnson and his wife, 25-year-old Sarah Hewitt-Johnson, were arrested by the Franklin County Sheriff's Office Thursday afternoon.
According to court documents, the 21-year-old man was taken into custody by deputies with the Franklin County Sheriff's Office Monday night.
According to court documents, 80-year-old Jerry Hughes was taken inti custody just before 9 a.m. on Saturday.
According to the Franklin County Sheriff's Office, 36-year-old John Hawkins III, of Harrodsburg, Kentucky, was arrested on Saturday after a "lengthy investigation."
Police say the man, who has since been identified as Robert Engle, was taken to Frankfort Regional Medical Center, where he later died.
Dash camera video shows deputy Phillip Ray removing two women from a vehicle that had been the subject a of a pursuit because of erratic driving.
The deputy says he and a friend were disgusted by what they saw and left before the riot broke out.
Police say three people were arrested in Frankfort after they committed a robbery and brought a 14-year-old girl along for the ride.