According to authorities, a 12-year-old Texas girl shot her father

as part of a murder pact she struck with a buddy.

The sisters spent weeks planning to murder

their relatives and their dogs before driving off to Georgia,

-according to the Parker County Sheriff's Office.

failed to uphold her half of the agreement

and the 12-year-old girl ended up shooting her own father on the street

outside of her house before turning the pistol on herself.

Investigators with the sheriff's office said that the little girl is thought to have shot her father,

left the scene, and then shot herself.

A firearm was discovered laying underneath the young suspect,

according to a press statement from the police.