The Radleys are one of the families in the novel 'To kill a mockingbird'. Throughout the book, they are portrayed as a mysterious family because of rumours that are circulating the town. The main issue is caused by the son, Boo Radley, being locked away I see. This means that the people of Maycomb automatically assume he is bad.
Also, the Radley yard can be seen as, creepy, mysterious and run down. From Scout and Jems dares to go and touch the yard, you can see how reluctant the children are to go near it. This creates the impression that people are afraid of the unknown and that they find mysterious characters a bad and evil person.