Robstown police have seized a weapon after a student posted a video of the firearm online while making threats.The police department posted the seized firearm on Facebook Wednesday night around 10 p.m. They say the student threa tened revenge online for the recent murder of a friend.Officers visited the home on Kansas Street, where they found the gun that was displayed in the social media video.Robstown PD reminds parents to monitor their children's social media activity."This story was reported on-air by a journalist and has been converted to this platform with the assistance of AI. Our editorial team verifies all reporting on all platforms for fairness and accuracy."For the latest local news updates, click here, or download the KRIS 6 News App.Catch all the KRIS 6 News stories and more on our YouTube page. Subscribe today! ...read more read less