When there are legal issues, any device that has ever had company data on it is fair game for legal discovery.
This means if you’ve used your personal laptop or cellphone to ever log into a company account, you will be legally required to turn it over to company lawyers.
If you wipe it or delete anything including private photos congratulations you’re now guilty of destruction of evidence and potentially obstruction of Justice.
Keep a total and complete firewall between work and personal devices and data.
As an added benefit, this pays dividends on keeping a healthy work life balance.
Not on call? No work phone.
If the data is important, it should be on a work device.