[mothered]

they replied saying DPD is launching a “criminal investigation IF they believe the goods to be stolen.”

It's simply a routine Investigation, just like every other company.

Wait for their reply and we'll take It from there.

"I have just spoken to DPD regarding this issue again and they have informed me that they have escalated this to a signature dispute. This means that all the evidence will be reviewed, the driver will be interviewed and will revisit your premises to try and rectify this matter. "

the last thing i wanted was for the driver to be affected by this.

Try not to overthink the SE.

Wait for their reply and we'll take It from there.