Can a 16 year old boy be charged with attempted murder without an adult?

Yes, a 16-year-old boy can be charged with attempted murder, but the specifics depend on the laws of the jurisdiction where the crime occurred. In many places, minors can be charged as adults for serious offenses, including attempted murder. Additionally, the legal system may consider the circumstances of the case, including the minor's intent and prior behavior. However, there may also be options for rehabilitation and different legal processes for juveniles.