Which of the following would most likely be considered intentional misconduct in forensic science?

In a rush to complete the day's work, an analyst splashes blood taken from the defendant as a reference sample onto the crime scene evidence.

A latent print examiner confirms the findings of another latent print examiner.

A forensic analyst testifies in court that the defendant's hair matches the hair found at the crime scene.

A forensic analyst testifies in court that the red stains on the defendant's shirt tested positive for human blood even though lab tests show the stains were red food dye.