One more comment...again, taken with a grain of salt. Texts will be a big part of this case....
http://www.nowpublic.com/culture/ph...ying-behind-teens-suicide-2563997.html?page=5
Well the post sounds credible. I don't think her father moved to US (yet?) so the girl was here with her mother and some siblings? While the father stayed behind? And it sounds like she were doing well in Ireland.