this is involuntary manslaughter commissionable of a lawful act, and this requires proof that there was more than just that simple negligence. so, on top of this fourth degree felony, 18 months injail and a $5,000 fine, if baldwin could face a five year prison sentence because baldwin could face a five year prison sentence because a firearm was involved, so there s a lot on the table here for alec baldwin. the prosecutor in new mexico says the decision is in keeping with commitment to pursue justice for all victims . we ve heard from mr baldwin s attorney, who said they intend to fight those charges, which he called a terrible miscarriage ofjustice . as we mentioned, the film s armourer, hannah guttierrez reed, has also been charged. her lawyer says, these charges are the result of a very flawed investigation, and an inaccurate understanding of the full facts. let s cross to david willis in los angeles. just talk us through this.