Perjury

Lying on purpose under oath.

Serious crime. Can mean state prison.

What the prosecutor must prove

They must prove every one of these. If one is missing, you should not be found guilty.

1. 1You took an oath
2. 2You said something false
3. 3You knew it was false
4. 4It mattered to the case

Possible punishment

2, 3, or 4 years.