A Federal Bureau of Prisons employee died after coming into contact with an unknown substance in the mailroom at the U.S. penitentiary in Atwater, California, according to a bureau spokesperson.

A Federal Bureau of Prisons employee died after coming into contact with an unknown substance in the mailroom at the U.S. penitentiary in Atwater, California, according to a bureau spokesperson.

A Federal Bureau of Prisons employee died after coming into contact with an unknown substance in the mailroom at the U.S. penitentiary in Atwater, California, according to a bureau spokesperson ...

Three people are facing charges in the death of a federal prison worker in California who died earlier this month after handling a drug-laced package sent to an inmate at U.S. Penitentiary Atwater ...

A Federal Bureau of Prisons worker at a high-security penitentiary in California died on Friday after coming into contact with an “unknown substance” while working in the mailroom. Marc ...

A Federal Bureau of Prisons employee died after coming into contact with an unknown substance in the mailroom at the U.S. penitentiary in Atwater, California, according to a bureau spokesperson.

A Federal Bureau of Prisons employee died after coming into contact with an unknown substance in the mailroom at the U.S. penitentiary in Atwater, California, according to a bureau spokesperson ...

Hans Neleman/Getty Images/STOCK (ATWATER, Calif.) — A Federal Bureau of Prisons employee died after coming into contact with an unknown substance in the mail room at the U.S. penitentiary in ...