The pictures show fear and suspicion is destructive by showing evidence from the story. When Tommy tells the people about the aliens the suspicions and fear awakes, so when they thought back to the car turning on by itself they are fearful and suspicious, which leads to chaos, but when charlie kills Les Goodman because of theory of him being an alien things go from crazy to berserk. They start to have suspions of Tommy and Les Goodman than go after Charlie then it leads to accusing everyone. This is how these events lead to fear, suspions, and destruction.
Tommy tells the neighbors that the aliens appeared as a normal family in the story.
The neighbors become suspicious of Les Goodman because his car starts on its own.
Charlie is running away from the crown because they suspect he is an alien.