ZA06408658201 please advise where my parcel is,??

I've recently posted an item which was originally destined for Lagos Nigeria, after receiving no payment for the item which was sold online I opened a fraud case through the UK police and postal services which is currently under investigation.
The parcel is currently being help by china post as 2 delivery attempts were unsuccessful and I'm hoping that it will be returned to me but I'm concerned that the scammer will attempt to receive the parcel directly from you or try to book another delivery time and place.
Tracking number: RZ366810069GB.
Is there anything that can be done to avoid the fraudulent collection of my parcel and have it sent back to the return to address?

Thank you.

My parcel has been in the Guangzhou International Mail Exchange Station for ages and I’m starting to get worried in case it’s a scam and I won’t receive my parcel. They told us delivery would take 2 weeks and it’s almost coming up 2 weeks now.
This is my tracking number UU298865959CN
I would really appreciate it and be glad if someone could reply or get back to me as I’m starting to worry. Thanks