Both retailers and consumers are responsible for state sales taxes. Intentional acts to avoid paying these sums to the state can result in civil and criminal penalties.
Intimidating or tampering with a witness involves trying to get a witness to lie, say certain things under oath, alter or destroy evidence, or not testify.
The penalty for an infraction is generally limited to a fine. No jail time can be imposed. But don't discount an infraction as something to put off or ignore.
There are constitutional and other limits on how much bail a court can impose on a defendant, which can support the defendant’s request for bond reduction.