 She reads his journal and passes it along to Van Helsing.This unfolds the first clue to the identity of Lucy's assailant, which later prompts Mina to collect all of the events of Dracula's appearance in news articles, saved letters, newspaper clippings and the journals of each member of the group.This assists the group in investigating Dracula's movements and later discovering that Renfield's behaviour is directly influenced by Dracula.