there were no reports or credible information about any such incidents involving "Meg & Haz" (presumably referring to Meghan Markle and Prince Harry) hiring a nanny with a history of substance abuse.
If there have been any recent developments or news related to this topic, I would recommend checking reliable news sources for the most up-to-date and accurate information.
It's crucial to be cautious when discussing sensitive topics like substance abuse or any other private matters related to individuals, as it's essential to respect their privacy and avoid spreading unverified information. If you have concerns about substance abuse or related issues, it's best to seek information from reputable sources and focus on supporting those who may be struggling with addiction.