noun
arson
AHR-suhn/ˈɑːrsn/
The crime of deliberately setting property on fire.
The person commits arson by deliberately setting the wooden shed alight.

Etymology
Latin arsio meant “a burning,” from ardere, “to burn.” That general action became the English name for the specific crime of deliberately burning property.
In context
they get charged wow and that's what we started doing so i started charging the inmates um you know if they lit something on fire they get charged with arson
More examples
- Police arrested a suspect on an arson charge.
- The report distinguished arson from an accidental fire.
- Several buildings had been damaged by arson.
Forms
arson