When the FBI seized alleged Silk Road mastermind Ross Ulbricht's 26,000 Bitcoin fortune on Tuesday, it raised the simple question: how can you seize a currency that does not exist?
US authorities defended their decision not to prosecute HSBC for accepting the tainted money of rogue states and drug lords on Tuesday, insisting that a $1.9bn fine for a litany of offences was preferable to the "collateral consequences" of taking the bank to court.
The UK's decision to give millions of pounds to help Pakistan fight drug trafficking – an offence that carries the death penalty – has been thrown into question after the country resumed executions last week.
It was a more than typically murderous Saturday night in São Paulo: at 10pm, in the São Bernardo do Campo neighbourhood, a motorcyclist rode up to a private home, killed two of the residents, then sped away.
The number of Afghan families growing cannabis as a cash crop leapt by more than a third last year, the UN has said.
She lived as the "godmother of cocaine", ruthlessly ordering scores of bloody murders and violent revenge attacks as she plotted the course of Miami's infamous drug wars.
Trade minister Lord Green is under intense scrutiny after it emerged that HSBC continued to operate hundreds of accounts with suspected links to Mexican drug cartels, even after Green and fellow executives were told by regulators that HSBC was one of the worst banks for money laundering.
Enrique Peña Nieto's victory in Mexico's presidential election amid a raging drug war opens a new and uncertain chapter in relations with the US. Some in Washington fear the return of the Institutional Revolutionary Party (PRI), which ruled Mexico until 2000, will turn the clock back to an era of cosy deals with drug cartels and fraught relations with the gringos.