Police have said that Haskell traveled from California to the Houston suburb of Spring and ambushed his ex-wife's sister, her husband and their five children in their home.
Laut Polizeiangaben reiste Haskell von Kalifornien in den Vorort Spring in Houston und überfiel die Schwester seiner Ex-Frau, ihren Mann und ihre fünf Kinder in ihrem Haus.