INSIDE UGANDAโ€™S SECRET DETENTION FACILITIES: The Leaked Mabonga Files & Explosive Military Footage

JB Muwonge

JB Muwonge

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INSIDE UGANDAโ€™S SECRET DETENTION FACILITIES: The Leaked Mabonga Files & Explosive Military Footage

*A missing opposition activist. A former military intelligence officer. Leaked footage from an alleged secret detention facility. And disturbing questions that Ugandaโ€™s authorities have yet to answer.*

On September 30, 2026, Lieutenant Herbert Matanda Mabonga, a former officer in Uganda's military intelligence establishment, publicly released explosive footage and documents that he says expose a secret detention facility used to hold, interrogate and torture Ugandan citizens.

What followed sent shockwaves through Uganda's political and security establishment.

Among the people appearing in the leaked recordings is **Sam Mugumya**, a Ugandan opposition activist who disappeared on August 26, 2025. The footage appears to show him severely weakened, struggling to walk inside a compound while wearing a yellow T-shirt bearing President Yoweri Museveni's image.

Another recording appears to show **Muhammad Muwanga Kivumbi**, a senior National Unity Platform leader, inside what Mabonga identifies as the detention facility. Kivumbi had previously described being abducted, blindfolded and tortured during nineteen days of incommunicado detention.

But the footage is only part of the story.

The leaked Mabonga files also contain names of Ugandans allegedly held inside the facility, including political activists, opposition figures and other individuals whose disappearances or detentions had previously raised serious human-rights concerns.

Among the names are Sam Mugumya, Muwanga Kivumbi, Lina Zedriga, Jolly Jacklyn Tukamushaba, Raymond Asiku, Christopher Gody (King Zale), and Kenyan activists Bob Njagi and Nicholas Oyoo.

*Where were these people held? Who authorised their detention? Who controlled the facility? And what happened behind its gates?*

In this investigative documentary, BEYOND WHAT YOU KNOW examines the leaked footage, military documents, testimonies, court proceedings and the disturbing history of enforced disappearances and alleged secret detention facilities under President Yoweri Museveni's government.

We investigate the claims made by Lt. Mabonga Herbert Matanda, the UPDF's rejection of his disclosures, and the unanswered questions surrounding Uganda's security institutions, including Defence Intelligence and Security, formerly known as the Chieftaincy of Military Intelligence (CMI).

We also examine the constitutional protections against unlawful detention and torture, the response of human-rights organisations, and growing international scrutiny of Uganda's human-rights record.

*This is more than the story of one soldier exposing military secrets. It is a story about missing citizens, families searching for answers, the rule of law, and the possibility of an entire system operating beyond public accountability.*

The UPDF has rejected Mabonga's allegations and challenged the authenticity of his material. The footage and documents raise questions that demand independent investigation.

THE QUESTIONS AT THE HEART OF THIS INVESTIGATION

Where is Sam Mugumya?
What happened to Muwanga Kivumbi during his nineteen days of disappearance?
What do the leaked Mabonga files reveal?
Who operated the alleged detention facility at Abayita Ababiri along Entebbe Road?
Why have families and lawyers struggled to locate missing Ugandans?
Who should be held accountable for unlawful detention, torture and enforced disappearances?

*When a citizen disappears, a family deserves answers. When courts demand that a detainee be produced, the law must be respected. And when footage emerges from an alleged secret detention facility, the world deserves to know what happened.*

Watch this full investigative documentary and join the conversation.

*BEYOND WHAT YOU KNOW* โ€” Investigating the stories behind the headlines, uncovering hidden histories and asking the questions that matter.

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๐Ÿ’ฌ *JOIN THE DISCUSSION:* What questions should Uganda's security authorities answer about the Mabonga files? Share your thoughts in the comments.

๐Ÿ‘ LIKE this documentary if you believe these stories deserve public attention.

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