I don't really know. It could be based on a true story or it could just be a made-up plot to entertain. Maybe check the author's notes or interviews for more info.
As the details of this 'abducted from an hbcu' true story are not clear, it's impossible to say who the abducted person was. It could be a student, a faculty member, or someone else associated with the HBCU.
Yes, it is. There are real - life cases where people have unfortunately been abducted during prom night. It's a tragic situation that has inspired many to be more cautious during such events.
It could be based on real events, but it's not necessarily a 100% true story. Sometimes, authors take inspiration from various sources and blend them to create a compelling narrative.
Most likely, it isn't true. Such stories are often fabricated to engage the audience and create suspense or drama. They might draw inspiration from various sources but aren't based on actual events.