These are only possible to find when playing as Jayden and you cannot skip chapters. You must start on AT LEAST 'Crime Scene' and play through the rest of the game. As usual, it's best to start a new game and play through to ensure you earn it and pick up[ other trophies along the way.
Crime Scene
Inside the white tent:
-The victim's face
-The orchid on the victim's chest
-The origami figure in the victim's hand
-The victim's hand a second time
-The cut on the leg
Follow the orchid pollen trail
The blood stain on the train tracks
The foot prints next to the train tracks
The blood stain on the fence
Up the hill:
-The footprints
-The tire tracks
Mad Jack
----The three parts of the blood trail leading to the acid bath (don't look in the acid bath until you've examined the clues below)----
The orchid pollen near the back of the garage
The paint near the back of the garage
The tire tracks near the paint
Mad Jack's fingerprints, footprints, the other tire tracks and the visitor's footprints are optional.
Fish Tank
You have to win the QTE fight and tear the Origami Killer's coat so the gas station receipts fall out.
The gas station receipts
The orchid pollen near the desk
The scattered papers on the floor
The killers gun near the door
The .45 caliber shell also near the door
Solving the Puzzle
Go to "Clues"
Analyze and geoanalyze the gas station receipts
Analyze the killers gun
Scroll over to "The Killer is or was a cop" option. Select "Investigate Further"
Geoanalyze "The Killer is or was a cop" option