Reza Valizadeh

Iranian-American journalist Reza Valizadeh is detained in Iran's Evin Prison and has made a recorded phone call pleading for the U.S. government to secure medical assistance for him and other detained Americans. Margaret Brennan reports on the situation.

CBS News obtained a voice memo from Iranian American journalist Reza Valizadeh, who is detained in Iran's Evin Prison and is requesting assistance for himself and other American captives.

CBS News obtained a voice memo from Iranian American journalist Reza Valizadeh, who is detained in Iran's Evin Prison and is requesting assistance for himself and other American captives.

Iranian American journalist Reza Valizadeh, detained in Evin Prison for over a year, recorded a voice memo pleading for medical assistance for himself and U.S. captives, according to a CBS News report.

Iranian American journalist Reza Valizadeh, detained in Evin Prison for over a year, has recorded a voice memo pleading for medical assistance for himself and U.S. captives. CBS News obtained the memo.

CBS News obtained a voice recording from Iranian-American journalist Reza Valizadeh, who is detained in Iran's Evin Prison. He is pleading for medical assistance for himself and other Americans held there.

An Iranian-American journalist, Reza Valizadeh, is wrongfully detained in an Iranian prison and is one of six Americans held by Iran. The U.S. claims his detention is wrongful. A partial internet blackout lift allowed Margaret Brennan to hear his plea for help.

An Iranian-American journalist, Reza Valizadeh, is wrongfully detained in an Iranian prison, as reported by Margaret Brennan during a partial internet blackout. The U.S. claims he is one of six Americans held by Iran.

A former U.S. hostage envoy warns Iran may use detained Americans as leverage in nuclear negotiations, citing six U.S. citizens held in Iranian prisons. Roger Carstens, ex-Special Presidential Envoy for Hostage Affairs, emphasized Iran's untrustworthy negotiation tactics compared to other nations and highlighted the risk of last-minute disruptions in securing the hostages' release.

A former U.S. hostage envoy warned that Iran could use six detained American citizens as leverage in nuclear negotiations, emphasizing Iran's untrustworthy negotiation tactics. The detainees, including dual nationals, are held in harsh conditions at Evin Prison in Tehran.