Hayden Panettiere felt compelled to set firm boundaries with ex-boyfriend Brian Hickerson in the months before her death, including taking steps to protect herself. “She helped him from time to time because he made her feel guilty, claiming he was trying to turn his life around, but couldn’t because she put him in jail,” a source exclusively shares with Us. “But he would always take advantage of her and wouldn’t leave, so she hired private security to not only remove him, but to keep him away from her.” As Us previously reported, “He had inserted himself into her life and w...