Books in the Vigilante Kings series

All I wanted was to understand what turned my stepbrother so cold.I never expected that the journey would end with him and his friends crouched around a bloody corpse.But when they reveal that they've been investigating an unsolved crime that tore my family apart without me even realizing it, how can I walk away?The deeper I tumble down the rabbit hole with them, the more I believe their theories. If what they're saying is true, then my life might be on the line as well. And even though I'm falling for all of them in ways I never expected, they can't protect me anymore.Especially when the greatest threat could come from the other man I've invited in...