Did/would this work for Collins project ?

<What investigations might this work for ?
Does an investigation start with a process of elimination to determine what couldn't have happened ?

A/ by giginotg... /Yes and No

Investigation is based on symptom. With evidence to trace back the origin, lots of possibilities can be generated. By matching the evidence and possibility, the most likely possibility will be located and then with further evidence, the reality will be discovered.>