Family friend of Brooklyn knifing suspect Brian Dowling, 18, says he 'can't think of what triggered him to go that way' - as cops charge shackled teen with murder for unprovoked 4am attack on Ryan Thoresen Carson
Brian Dowling, 18, was arrested on Thursday and charged with fatal stabbing Ryan Thoresen Carson, 32, in the early hours of Monday. A family friend said they cannot understand the killing.
Source: dailymail.co.uk