October 4, 1999 - November 7, 2014 (as Testigo)
November 10, 2014 – present
24 Oras Southern Mindanao formerly Testigo is a regional news program aired over GMA Davao. The newscast airs at 5:20 PM to 5:50 PM every Monday to Thursday before Seasons of Love and 5:15 PM to 5:45 PM every Friday before Elemento. It is also simulcast on radio via DXGM-AM.
Its main newscaster is Tek Ocampo. Tek started with Testigo in 1999 and made a name as a national reporter for GMA News when he left the show in 2002. After his stint with GMA Manila, he came back to Davao to anchor the program once more. It covers the entire Davao Region, SOCCSKSARGEN and Central Mindanao.
Testigo newscast ended its 15 year run on November 7, 2014 as it adopts the branding of its now-main newscast 24 Oras as 24 Oras Southern Mindanao effective November 10.