Strengthens the sex and kidnapping offender registration statute by decreasing the amount of time within which returning or out-of-state registrants must register after establishing residence in Washington, requiring offenders with fixed residences to provide their complete residential addresses when registering, requiring homeless offenders, when they check in weekly, to inform the county sheriff where they have been over the past week and where they plan to be in the forthcoming week, requiring offenders to sign the written notice they provide to the county sheriff when they change residences or cease to have a fixed residence, and clarifies that any violation of RCW 9A.44.130 is a crime.