Comment by Barbing

Nullify if necessary, more likely duty to justice as best as I can come to understand it.

We should all know it though!:

  It has been commonly used to oppose what jurors perceive as unjust laws, such as those that once penalized runaway slaves under the Fugitive Slave Act, prohibited alcohol during Prohibition, or criminalized draft evasion during the Vietnam War.

https://en.wikipedia.org/wiki/Jury_nullification