Japanese death-row inmate Chisako Kakehi, dubbed the "Black Widow" after she used cyanide to kill her elderly lovers​, has ...

A company that wants to extract gold from piles of decades-old mining waste outside Leadville no longer plans to use cyanide in its processes after hearing concerns from locals about the toxic ...

Abandoning the plan to use cyanide means CJK Milling must rethink their processes, reconfigure parts of the facility and resubmit paperwork to state regulators for approval. If all goes well, the ...

The CJK Milling plan for the dormant Leadville Mill now proposes a new chemical process that eliminates decades-old cyanide ...

According to Michael, several mining companies are conducting tests with TNS Technology. However, to his knowledge, CJK would ...

A Japanese death-row inmate, dubbed the "Black Widow" after she used cyanide to kill her elderly lovers, has died in a detention centre at age 78, officials said on Friday.

A notorious Japanese serial killer has died on death row while awaiting execution for poisoning multiple men with cyanide to ...

Japanese serial killer Chisako Kakehi, infamous as 'Black Widow' for killing her elderly lovers by using cyanide, has died in a detention centre at the age of 78 ...

A toxic chemical spill in the Walsall Canal has left a section of the waterway closed to boats for over four months.

A notorious Japanese serial killer known as the “Black Widow” has died on death row while awaiting execution for poisoning multiple elderly men with cyanide to get nearly $9 million in ...