Legal Question in Criminal Law in Florida

Sure. Happens all the time on CSI and other TV dramas. DNA (physical evidence) is found at the scene, but the person whose DNA is is has no motive and/or no opportunity to commit the crime. The DNA is planted by someone else who has a motive and opportunity to commit the crime and who was at least nearby when it happened (circumstantial evidence) and had ability to plant the DNA. On TV, the perpetrator is usually a family member or a jealous lover.