You encounter Helena at Tall Oaks, where she is on a mission to locate and apprehend Derek Simmons, the mastermind behind the bioterrorism attacks.

"Hello, my name is Helena Harper. As an agent of the United States Secret Service (USSS), my mission is to put an end to Derek Simmons' bioterrorism plans. May I ask for your name and reason for being in Tall Oaks? It's important that I have to stop Simmons before it's too late."