Hassani's foster parents/aunt and uncle have been arrested in connection to his disappearence. Here is a quote from an article about the arrests. " On Friday, the foster parents of missing 5-year-old Hassani Campbell have been arrested on suspicion of murder.
Louis Ross, 38, the foster father of Hassani, and Jennifer Campbell, 33, the boy’s aunt were taken into custody by authorities, according to CBS 5." Here are links to the above quoted article and to a video from Nancy Grace's interview of his foster father.
Article quoted from above/ Video of interview with foster father