Provides that, to effectuate the legislature's goal of protecting public safety, as provided in RCW 71.05.010, within the context of the Washington state supreme court's holding in In re Harris, 98 Wn.2d 276 (1982), the legislature intends that a trier of fact determining whether a person presents a likelihood of serious harm has the ability to consider a respondent's recent and past acts where such acts would indicate a substantial risk to public safety.