The state has handed over the footage to Malawiâ€™s corruption-busting body for forensic examination and further action.
Responding to graft allegations levelled against her, former Malawian president Joyce Banda claims she has evidence of pressure to "implicate" her.
Ex-president Joyce Banda and three others are being investigated as part of the Cashgate scandal.
After suspending aid to Malawi, Germany has funded an investigation into the biggest financial scandal in Malawi's history.
A change of presidents has skewed the playing field for a South African defence company
Joyce Banda has congratulated her arch-rival Peter Mutharika for winning Malawi's presidential election whose result she initially challenged.
Democratic Progressive Party leader Peter Mutharika has been declared the winner of disputed presidential elections after defeating Joyce Banda.
The final vote count in Malawi's controversial elections will only be released once court challenges have been resolved.
Malawi could get the results of its elections if its high court rules out a recount of the votes in the controversial presidential election.
The decision to hold a manual recount of all votes cast in the May 20 election has the blessing of most as they agree the elections were not fair.
Malawi's high court has issued an injunction barring President Joyce Banda from interfering in the electoral process.
Malawi's electoral body says President Joyce Banda has no power to scrap elections, while her main political rival says the decision is "illegal".
Malawi's President Joyce Banda says she will not take part in a new vote, which she called after nullifying Tuesday's elections.
Election officials are using fax and email to tally votes after the electronic system broke down, delaying the release of any results.
Malawi's military has backed up police following reports of voting materials set alight and roads being blocked by angry voters.
Southern Africa's first female head of state will be the one to beat as Malawians get ready to vote, most analysts predict.
Joyce Banda says Malawi's graft scandal that broke during her administration is her greatest achievement and helped her turn the economy around.
The main contenders have been at the helm before, but appear to offer nothing new in their manifestos.
Two people have been killed after clashes between supporters of Malawi's ruling party and its opposition.