Thirteen Asian countries have agreed to work together to crack down on crimes involving tigers.
Nations where tigers still live in the wild hope to improve law enforcement to protect the animals as well as other rare and threatened species.
Crimes against tigers are said to be on the rise and can involve more than one country at a time.
That's why they want to share more information to detect the crimes earlier and before they've happened.
Justin Gosling from Interpol, who help countries' police forces to work together, says: "Very often with wildlife, by the time [a crime's] been detected, it's too late.
"The animal is either dead or has been taken from its natural habitat."
Smuggling of tiger parts is one of the main threats facing the planet's remaining big cats, say experts.
They are warning that some populations could disappear completely within 20 years unless urgent action is taken.