[CaptainK]

More details in this article:

http://www.dailymail.co.uk/news/article-3661442/Texas-mom-shot-daughters-mental-crisis-involved-previous-altercations-home-cops-say.html

1)The husband and wife had recently reconciled after a separation.
2)She shot and killed her daughters on the husband’s birthday.

[Protect the Bill of Rights]

More details emerging:

http://nypost.com/2016/06/28/mom-fatally-shot-daughters-to-punish-her-husband/