Mass murderer Nikolas Cruz is getting stacks of fan mail and love letters sent to the Broward County jail, along with hundreds of dollars in contributions to his commissary account. Teenage girls, women and even older men are writing to the Parkland school shooter and sending photographs — some suggestive — tucked inside cute greeting cards and attached to notebook paper with offers of friendship and encouragement. Groupies also are joining Facebook communities to talk about how to help the killer. The South Florida Sun Sentinel obtained copies of some of the letters showing that Cruz, who had few friends...