Purpose: Who is the right tortfeasor in the first place?

Causality of the tortfeasor for the damage: Connection between:

• Tortfeasor

• Harmful act or omission

• Occurrence of the damage

Necessary condition

• What made the tortfeasor’s conduct a necessary condition for the damage event?

• Can the conduct of the tortfeasor be conceived away without the damage ceasing to exist?

• The harmful conduct may also consist of the failure to take a necessary action.