In general, before a person can be convicted of possessing a deadly weapon, the
prosecutor must prove beyond a reasonable doubt that the person either
intentionally carried the weapon or had knowledge that the weapon was in his or
her possession.  If a defendant is not aware that he or she is in possession of the
weapon, then that defendant is entitled to an acquittal.

If the defendant accidentally or negligently is in possession of the weapon, this is
not enough.  Each individual defendant must have had actual knowledge of the
weapons presence.

Even if the weapon is "per se" illegal, and the defendant purchased this illegal
weapon.  The prosecution must prove that the defendant was aware that he or she
had the weapon at the time the police found it.




Penal Code 12001.1 provides that any person who commercially manufactures or
who knowingly imports into the state for sale, keeps for sale, or offers or exposes
for sale, any undetectable knife is guilty of a misdemeanor.

An "undetectable knife" means any knife or other instrument with or without a
hand guard that is capable of ready use as a stabbing weapon that may inflict
great bodily injury or death that is commercially manufactured to be used as a
weapon and is not detectable by a metal detector or magnetometer.




Penal Code 12001.5 provides that no person may manufacture, import into the
state, keep for sale, offer for sale, give, lend, or possess  any short-barreled shotgun
or short-barreled rifle.

A "short-barreled shotgun" means any of the following: (1) a firearm which is
designed or redesigned to fire a fixed shotgun shell and having a barrel or barrels
of less than 18 inches in length; (2) A firearm which has an overall length of less
than 26 inches and which is designed or redesigned to fire a fixed shotgun shell;
(3) Any weapon made from a shotgun by altercation; and (4) Any device which
may be readily restored to fire a fixed shotgun shell.

A "short-barreled rifle" means any of the following: (1) a rifle having a barrel or
barrels of less than 16 inches in length; (2) a rifle having an overall length of less
than 26 inches; (3) Any device which may be readily restored to fire a fixed
cartridge when so restored is less than 26 inches in length or has less than a 16
inch barrel; (4) Any part or combination of parts which may create what was just
described.



Penal Code 12020(a) provides a list of weapons that no person shall ever be able to
manufacture, import into the state, keep for sale, offer for sale, give, lend, or
possess.  The prosecution has the choice to charge someone under this section
with a felony or a misdemeanor.

The list of illegal deadly weapons includes: any cane gun or wallet gun, any
undetectable firearm, any firearm which is not immediately recognizable as a
firearm, any camouflaging firearm container, any ammunition which contains or
consists of any flechette dart, any bullet containing or carrying an explosive agent,
any ballistic knife, any multi-burst trigger activator, any nunchaku, any
short-barrelled shotgun, any short-barrelled rifle, any metal knuckles, any belt
buckle knife, any leaded cane, any zip gun, any shuriken, any unconventional
piston, any lipstick case knife, any cane sword, any shobi-zue, any air gauge knife,
any writing pen knife, any metal military practice hand grenade or metal replica
hand grenade, or any instrument or weapon of the kind commonly known as a
blackjack, slungshot, billy, sandclub, sap, or sandbag.




Penal Code 12021 states that any person who has been convicted of a felony assault
or a felony for drawing a firearm, or who is addicted to the use of any narcotic
drug, who owns, purchases, receives, or has in his or her possession or under his
or her custody or control any firearm is guilty of a felony.

Further,
Penal Code 12021.1 states that any person who has been previously
convicted of any of the following offenses and who owns or has in his or her
possession or under his or her custody or control any firearm is guilty of a felony:
Murder or voluntary manslaughter; mayhem; rape; sodomy by force, violence,
duress, menace, or threat of bodily harm; oral copulation by force, violence,
duress, menace or threat of bodily harm; lewd acts on a child under the age of 14;
any felony punishable by death or imprisonment for life; any felony in which the
defendant inflicts great bodily injury on another person; attempted murder;
assault with the intent to commit rape or robbery; assault with a deadly
instrument on a peace officer; assault by a life prisoner on a non-inmate; assault
with a deadly weapon on an inmate; arson; exploding a destructive device or any
explosive with intent to injure; exploding a destructive device with intent to
murder; robbery; kidnapping; taking of a hostage by an inmate of prison; attempt
to commit a felony punishable by death or life in prison; any felony in which the
defendant personally used a deadly weapon; escape from prison by force or
violence; assault with a deadly weapon or force likely to produce great bodily
injury; carjacking.
DANGEROUS WEAPONS
UNDETECTABLE KNIVES
SHORT-BARRELED SHOTGUNS AND RIFLES
ILLEGAL DEADLY WEAPONS:
FELON IN POSSESSION OF A FIREARM
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Law Offices of Brian R. Mason.  858-444-5256.  Attorney Brian R. Mason, California State Bar No. 257420, is responsible for
this web page.  This web page is meant for information purposes only.  Nothing in this page shall be construed as legal advise
and nothing in this page creates an attorney client relationship with anyone reading the page.   Additionally, the recent results
posted above do not guarantee victory in any individual case, results may vary.  
This page is meant only as a general and
broad reference to the definition of some Weapons crimes.  However, this page does not list all elements to every
Weapons crime, nor does the page list all defenses.  Every case is different and based on the facts of that particular
case.  Do not rely on this information in any legal proceeding.
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