the books dont acually tell, but it said katniss thought that bonnie and twill must have died in the wild, eather from starvation, lack of water, etc
he doesnt die in that book but he does eventually die in mockingjay.
Finnick actually doesn't die in Catching Fire
The truth is that a lot of people die in this book most of them are victors from previous hunger games and they battle it out this happens almost halfway in to the book.
No.
No
Sadly... yes, but is isn't confirmed until Mockingjay, the third book.
no
Yes.
Yes, many.
It never really said. Katniss kind of made a guess because she wasn't in district 13 when katniss got there. She thought they probably got lost or something
No, but he dies in Catching Fire.
no only some die but most of them are injured