Oil Red O v. Physical Developer

Which technique can be used on porous and semi-porous substrates?

• Physical Developer

• Oil red O

This technique requires you to clean your utensils prior to beginning the chemical process

• Oil red O

• Physical Developer

Oil red O can develop prints up to 50 years old

• True

• False

After silver nitrate and iron salt solution is mixed you can leave the evidence alone for 10 minutes to develop

• True

• False

Oil red O destroys evidence and lessens the chance of further forensic examination

• True

• False