Spousal support is not based on length of marriage. Alimony is. I'm not a lawyer but worked Support Enforcement in the State of PA for a number of years. If he is the breadwinner, she is entitled to spousal support for the duration of the divorce process. She can ask for a mortgage deviation if there is a house involved. Health insurance costs are also factored into the equation. It is retro active from the date of filing, so if he is out of the house, file now - figure it out later.
This is almost to unbelievable! After everything you posted prior to this post, YOU went to a party with this creep? And then you drove with someone you knew was drunk?
I'm a bit skeptical if this is actually the USC posting. But in the event it is the USC wife:
Lawyer up and FAST.
Get out of that apartment. I would not hesitate to call your local Police and inform them of your move and request officers be present for safety reasons. Tell them there is a history of (un-reported) domestic violence.
On your way out (but before the cops get there) get into that locked room and take photos of anything and everything.
Seek a restraining order, YESTERDAY. Use whatever you can from that locked room to help with this.
Make an info-pass appointment, yesterday.