Emergency Brakes: Handle returns to "un-brake position"

[Forddan]

Hi, sorry for my lack of a better technical language. As the title says, the emergency brake handle suddenly stop working. The car left Florida with all working. Sent to MA in an enclosed truck of a professional car transportation company. At arrival, the emergency brake was not working at all. When it is pulled to the back, returns to the front. It's not staying in position and not braking.

Please, can you provide me some guidance what do I have to look or in other words, what could be the problem.

Thank you,
Dan