Yep, the data was already send.
And I would have erased any traces after sending.
And I might have an internal destruct signal/suicide that could be send from China.
And if more nefarious, I might have false devices and instrumentation to give US false impressions.
And I might have some trackable chemical/isotope type of thing that could be used by China to see how effective the dispersion of ‘something’ might be.
Delivery mechanism for the next "new and improved" Wuhan virus?