CNN Here is a look at the life of Al Qaeda leader Ayman al-Zawahiri.
The US State Department offered a reward of up to $25 million for information leading to the capture of Zawahiri.
In the 1970s, Zawahiri and the Egyptian Islamic Jihad worked to overthrow Egyptian President Anwar Sadat and establish an Islamic state.
The 1980s - joins the Mujahedeen who are fighting Soviet forces occupying Afghanistan.
A man purporting to be Zawahiri has pledged allegiance to the new Taliban leader Mawlawi Haibatullah Akhundzada in a recently released audio statement. As the emir of al Qaeda jihadist group, I present our allegiance to you, says a man's voice, which sounds like Zawahiri's voice.
May 13, 2018 - In response to US President Donald Trump moving the US embassy from Tel Aviv to Jerusalem, in a video message from Zawahiri calls for a jihad against the US, in response to the US president Donald Trump moving the US embassy from Tel Aviv to Jerusalem.
February 5, 2019 - Zawahiri's speech, The Way of Salvation, is published. The speech by Zawahiri Zawahiri, The Way of Salvation, is published in the video. April 5, 2022 - In a rare video message, Zawahiri praises an Indian Muslim student taunted by a crowd for wearing a hijab in Karnataka, India.