i think something happened between BB, RB, Amelia, Lane, and MC.
RD is dead or hurt, or/and our MC was also hurt during the traumatic event.
I have a side theory that either BB took RD's bike after something bad happened to him, or he is RD.
He painted the bike ''scarlet'' black afterward, so our MC won't remember the traumatic event that happened (the colour red and the bike, or both, might really trigger it).
Amelia was upset about something we did.
Either we were the ones who did something intentionally or not to someone she knew, or we caused something (again, intentionally or not), and someone else possibly helped us cover it up.
OR we know someone who did something (maybe it was for our sake or they thought so for whatever reason they had), and we let it happen, or she thinks it is our fault because that person wouldn't have done it if it weren't for us (their feelings towards us, I guess).
Also, there are those victims of serial crimes by someone, and the latest one happened to occur around the first shift
It is possible that BB had this other hidden criminal side of him (and that is RD with a scarlet as his bike and red helmet) that our MC happened to stumble across or see what he did to one of the victims, and it traumatized us so bad that we blocked his existence completely. Amelia knew who is and she is upset at us for not doing anything and being around him again.
Was Amelia a potential failed victim? a witness? Simply notice something off about him?
Something bad happened to us, and something bad also happened to Amelia, or she witnessed something bad happen.
She is no longer talking to Lane and us.
"Men get away with a lot when no one takes women seriously." "Do you still call him Lane?" "Tell Lane to stop pretending he is okay. That kid used to cry in his car in secret".
Either BB is RB, or lane is RB, or RD was someone else entirely?
I also like the fact that the red hair on Amelia will make our MC even more distant from her after the event, even if it was unconsciously done by MC.
Possibilities are endless... :s