Bottom up: investigative psych and geographical profiling

• David canter is the main person to develop the bottom up approach
• the approach is described as bottom-up because it looks at the features of the crime scene and works upwards so conclusions are drawn from what has been found
• the bottom-up approach involves collecting pieces of evidence and piecing them together to build a description of the perpetrator
• the bottom-up approach makes use of the established psychological principles and statistical techniques