Nope, but the police would most likely send special opps after you...and or remove you to their custody. You would be listed as 'possessing possible terrorist inclination' if they found the schematics and you know those sorts of people tend to disappear.
Yes, it is illegal to possess ANYTHING that is illegal.
Possessing a stone is not illegal.
It is illegal for a person of any age to smoke or possess marijuana in the US unless it is prescribed to them.
Yes, it is illegal to possess drawn child pornography, as it is considered a form of child exploitation and is punishable by law.
In schools they are generally illegal for a student to possess.
Yes, it is illegal for a civilian to possess or sell the old titanium military storage barrel.
Downloading is not illegal. What may be illegal is downloading content that you do not have a legal right to use or possess.
yes
Yes, it is illegal to possess or distribute fake Jesus money as it constitutes counterfeiting, which is a criminal offense punishable by law.
Yes, it is illegal to possess any form of child pornography, including fictional depictions, as it promotes and normalizes the sexual exploitation of children.
Individuals who do not possess a green card are not considered illegal solely for that reason. However, they may be in the country unlawfully if they do not have legal authorization to be there.
Nowhere. Bazookas are illegal to buy or possess.