They communicated with the police by leaving notes, and they attempted to extort money to stop the shootings.

他们通过留便条的方式向警方传递信息，并试图以停止杀人为条件进行敲诈。

youdao

In a few rare cases, these individuals have even been known to perform attacks to extort a company or defraud it of money.

很少有攻击是为了敲诈或骗取公司财产。

youdao

Unlike many of his films, it tells a simple story in straightforward fashion: a boy is taught by his parents to fake car accidents in order to extort money from the ostensible culprits.

与其许多作品不同，本片以直白的风格讲述了一个简单的故事：一名男孩受父母教唆，通过假遇车祸，借机从表面上的肇事者那里敲诈钱财。

youdao

But many Uzbeks claim the security forces are using that as a pretext to extort money from residents.

VOA: standard.2010.06.22

The group's enduring notion of the urbane "Mitsubishi gentleman" has also made it an easy mark for sokaiya, gangsters who extort money by threatening to air dirty laundry.

FORBES: A setting sun?

He said it was Mr Uddin who came up with the "ludicrous" amount of money and he had "no need to extort anybody for money".

BBC: Derek Rose

At least one was accused by colleagues of trying to extort money by threatening negative coverage.

ECONOMIST: Threats from criminals and governments