Final answer:
Janie's parents didn't have any pictures of her before the age of five because her father had her grandparents murdered.
Step-by-step explanation:
Janie's parents had the excuse that her father had her grandparents murdered before they left. This is revealed in the text where Janie says that her father took no chances and her sister wrote to them to come and they had such a good time. The question suggests that her parents didn't have any pictures of her before the age of five because they had her grandparents killed.