' Dunn says he and girlfriend left scene of crime , went to B & B and ordered pizza . ` ` Justifiable use of deadly force , '' not standing your ground , is defense , attorney says . Dunn shot after seeing shotgun , he says ; the police say teens were unarmed . He 'd had two drinks but was n't buzzed , and he and his girlfriend were in a `` great mood '' -- headed to a nice bed and breakfast in St. Augustine , Florida , where they planned to enjoy a bottle of wine , he told police . Mom of the victim says it 's been ` ` the most difficult , challenging year of my life ''
' Dunn says he and girlfriend left scene of crime , went to B & B and ordered pizza . ` ` Justifiable use of deadly force , '' not standing your ground , is defense , attorney says . Dunn shot after seeing shotgun , he says ; the police say teens were unarmed . Mom of the victim says it 's been ` ` the most difficult , challenging year of my life ''