stabbed her mother to death
... that in June 2009, a teenage girl and her adult boyfriend stabbed her mother to death when she objected to their relationship?
... that in June<span id="mwApA" typeof="mw:Entity"> </span>2009, a teenage girl and her adult boyfriend <b id="mwApE"><a href="./Murder_of_Joanne_Witt" id="mwApI" rel="mw:WikiLink" title="Murder of Joanne Witt">stabbed her mother to death</a></b> when she objected to their relationship?