as andrea florez reports, the family wonders why they were targeted >> opened up the front door, and noticed someone had spray-painted 3 "k's" on my front door. >> reporter: ari and her teenager daughter were at home when a neighbor in evidence them of some disturbs news. racial slurs including the "n" word spray-painted on the door while they were home. >> they taped a note on door that also said, "watch your back, kkk." . >> reporter: the local naacp chapter is standing by ari's side >> people are emboldened in this political client, thinking they can say and do anything and the naacp is not going to tolerate it, and our community is not going to tolerate it. >> reporter: local leaders say the threat the more and white. it ought to bother any of us. >> reporter: aurora pd says the investigation is at the top of their list. >> it's started to the community and creates fear within the community as a whole. we will pull out all the stops. >> reporter: while ari says she no longer feels safe, she has a strong message to share. >> you're coward, and your behavior is not acceptable. your