Telegram groups are used by criminals and non-criminals alike.
Regardless of why you may want to perform OSINT against Telegram groups, this is a recently released to the public! It’s called Telepathy!
How to install
cd /opt/OSINT
git clone https://github.com/jordanwildon/Telepathy.git
pip install -r requirements.txt
Register and grab your API key from my.telegram.org
cd /opt/OSINT/Telepathy
python3 setup.py
OR
sudo python3 setup.py