Morgan Dunn, 34, died following an altercation within a property in Ayr on Saturday.
Margaret Grant, 79, died in hospital following a disturbance at her home in Edinburgh last Friday.
Two other people were injured in the crash in Aberdeen on Tuesday last week.
The man was struck near Buccaneer Service Station on the A941 north of Elgin at around 6.20am on Saturday.
Emergency services were alerted to the collision on the A908 in Clackmannanshire on Thursday morning
Officers are looking for information about the car involved, which was heading towards Avoch in the Highlands.
The 91-year-old woman and two other people were hurt in the crash in Aberdeen.
The serious crash happened in Aberdeen on Sunday evening.
The 47-year-old man was pronounced dead after being struck by the silver Seat Ibiza on Sunday.
When officers arrived at the crash site in Midlothian, no one was in the car.
The 80-year-old man, who was driving a Dacia Duster, was pronounced dead at the scene.
The flasher targeted the 17-year-old at 12.20am on Friday opposite Stobsmuir Ponds in Dundee.
The 69-year-old man suffered minor injuries in the collision in Aberdeen on Friday.
A 57-year-old man was pronounced dead at the scene following the incident in Glasgow.
The four men targeted three properties in both East and West Lothian last month.
The 76-year-old’s red Kia Sorrento crashed with the lorry on Monday afternoon on the B872.
The 43-year-old victim suffered serious head injuries after being knocked down in Fife.
The 21-year-old was taken to Ninewells Hospital in Dundee after the incident in Arbroath.
A 76-year-old is in hospital with serious head injuries after the incident near Edinburgh.