The Pennsylvania mom accused of killing her husband and their 3-year-old son at a Poconos resort showed no signs of trouble in a video call just hours before the attempted murder-suicide, according to her stepmom - who now believes she had planned it for weeks.

Metallica Rose Harrison, 27, had never shown signs of mental illness and appeared normal in a video call Sunday, soon before she allegedly stabbed her husband and son and tried to slit her own wrists and neck, her stepmom April Thetga told The Post.

 She had called and we're video chatting, and then she says she loved us very much, just like she normally would,  Thetga recalled.


8 Metallica Rose Harrison, 27, who allegedly stabbed her husband Charles Harrison and their three-year-old son at the Great Wolf Lodge in Poconos. Chaz Harrison / Facebook

8 Metallica Rose Harrison with her son in an undated photo. Metallicarose Harrison / Facebook

8 Charles Harrison poses with his three-year-old son. Chaz Harrison / Facebook


 It wasn't an odd conversation,  she said.  She didn't give us any indication that anything was ever going to happen.

 It was a loving family. We're just as shocked as everybody else. 

Harrison's family found it  odd  that the mom and her husband, Chris, were having an extended stay at the Great Wolf Lodge, but assumed it was because their  amazing  and  very happy  son Tristan loved playing in water parks so much.

They sent regular photos from their stay to show loved ones how much fun they were having.


8 Metallica Rose Harrison with her husband, Charles and her son in an undated photo. Chaz Harrison / Facebook

But after the murders, they were shocked to find out that the murder weapon was from a set of knives Metallica had brought from home, the stepmom revealed.

 I was told the knives came from her home. Her house. So to me, it was planned,  Thetga told The Post.

A butcher knife was found on the bathroom floor and a smaller knife in the bathroom sink, according to the police, who say Metallica called 911 to ask for help on how to kill herself after reporting 
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