Eliza Manningham-Buller's second Reith Lecture: Security

Editor's note: This Tuesday morning Radio 4 broadcasts Eliza Manningham-Buller's second Reith Lecture, Security, at 09.00 BST. It will be repeated on Saturday 17 September at 22.15 BST - PM.

In Security, recorded last week in Leeds, Baroness Manningham-Buller argues that the security and intelligence services in a democracy have a good record of protecting and preserving freedom.

During the lecture, she strongly condemns torture, and touches on the recent allegations about MI6's alleged activities in Libya. Her comments have already attracted a lot of attention, featuring on BBC news, in the Guardian and The Telegraph. Tony Blair told the Today programme on Saturday that he "profoundly" disagreed with her arguments about the post 9/11 world.

After the Tuesday transmission, you will be able to download the programme as a podcast and read a transcript on the Radio 4 website.

Again, as last week, during the broadcast we will be tweeting links to useful relevant content from the @BBC_Reith Twitter account, and will share some highlights via the @BBCRadio4 Twitter account. Thanks to those who have been using the hashtag #Reith to join the debate. You can also share your thoughts and reaction to the lecture here on the Radio 4 blog.

In the meantime, we are still offering a number of "Reith Extra" programmes for download via Radio 4's Documentary of the Week podcast. This week's programmes include a history of GCHQ,a two-part series tracing the Hunt for Bin Laden, and a File on 4 programme from 2007 about the challenges of trying to close the Guantanamo Bay detention facility.

Radio 4 has also recently published the Reith archive, and you can explore more than 60 years of lectures on the Radio 4 website, where you can listen to the programmes and read the transcripts. You can download the previous Reith Lectures via the two archive podcasts 1948 to 1976 and 1977 to 2010.

The most popular downloads so far are Edward Said's 1993 lectures on the Representation of the Intellectual, which you can listen to or download, and the 1986 Reith Lectures by Scottish Judge Lord John McCluskey, Law, Justice and Democracy.

Jennifer Clarke is senior multiplatform producer, Radio Current Affairs

• Download transcripts of this year's lectures: Reith 2011 - Securing Freedom
• Also podcasts to download of this year's Reith Lectures