Final answer:
Aven's dad had the people she was hiding murdered before they left.
Step-by-step explanation:
In the book or story you are referring to, it seems that Aven's dad did something bad to the people Aven was hiding.
In one part of the text, it is mentioned that her father had them murdered before they left.
This suggests that Aven's dad took extreme measures to prevent anyone from finding out about their hiding place.