You can do this if you are an immediate family member or executor
Twitter will consider public interest factors such as the newsworthiness of the content and may not honor every request
Note: Twitter cannot provide account access regardless of your relationship to the deceased.
However, despite it being a violation of the terms and conditions, some people recommend that you can reset the password for the account and use this to log in. This could work if you already have access to your loved one’s email or phone. We are not endorsing this choice, but if recommended by your lawyer, here is the process:
Enter your loved one’s email address, phone number, or Twitter username. If there are multiple accounts associated with the phone number, you cannot use itduring this step.