Leathal injections

Pfizer says it won't provide drugs for leathal injections. (CNN)

By Ralph Ellis, Eliott C. McLaughlin and Dave Alsup, CNN

Updated 1012 GMT (1812 HKT) May 14, 2016

Lethal injection explained 01:27

(CNN)Lethal injections will probably become more difficult to carry out in the United States because Pfizer, the second-largest pharmaceutical company in the world, has strengthened controls to prevent its products from being used in executions.

Drugs used in executions are no longer available through "the normal pharmaceutical market," said Robert Dunham, executive director of the Death Penalty Information Center. Every U.S. drug maker with products that have been used in executions has gone on record to say they don't want that to happen any more, he said.

"States at this point have decisions to make," Dunham said./.../