NO JOKE: Schools on edge after week of lockdowns and alleged threats on social media

A 10-second Snapchat post could mean a lifetime of hardship for students accused of making threats against their school.

After a spate of frightening gun incidents, hoax shooting reports and alleged student threats, the tension is coming to a head.

Students who would usually face misdemeanors for an offense of making a terroristic threat are now being charged with felonies.

Fort Bend County Sheriff Troy Nehls has been vocal after at least four threats were reported this week at Fort Bend ISD.

"Parents need to have a conversation with their child about the seriousness of posting threats on social media," Nehls added.

Here's how the epidemic of school scares unraveled in Houston after the Parkland school massacre:

Houston Can Academy lifts lockdown after a student was caught with a gun.