Answer:
The killer had left a trail of blood on the floor
This would be "in media res" meaning "in the middle of things." It begins, quite frankly, in the middle of things and carries on from there.
Answer:
The setting of “The Youngest Doll” is a decaying sugar plantation in rural Puerto Rico, where an aging dollmaker lives with her nine nieces. She is a member of the “extinct sugarcane aristocracy” and the story takes place as her family's social position and wealth are rapidly disappearing
Explanation:
By watching the other dogs and understand what the laws of the wild mean.
He learns there is a hierarchy among dogs. he learns that he has so hold his position to survive.