Polokwane – The lawyer for a Limpopo businessman accused of staging a house robbery and killing his wife, on Tuesday vowed to oppose video evidence presented to the court.State witness, security guard Sayed Kader, told the Limpopo High Court in Polokwane that there was no movement at Rameez Patel's house on April 10 last year, the day his wife Fatima was killed. Patel is on trial on a charge of killing her. She was strangled at the couple's house in Nirvana, a suburb in Polokwane.During cross-examination, Patel’s lawyer Tumi Mokoena, asked Kader if the CCTV security cameras were working on the day of the murder. Mokoena argued that the camera was malfunctioning and the court should not regard evidence from the security company.Questioned by the State earlier, Kader had said the camera was in continuous mode. During cross-examination, he said it was in a different mode.Mokoena said Kader was contradicting himself and he intended objecting to the use of the video evidence.Another State witness told the court Fatima was not happy in the days before she was killed.Nyeleti Hughes, a personal trainer at Virgin Active in Polokwane, told the court Fatima used to visit the gym with her two children and their nanny.Hughes said Fatima told her there were issues with her marriage and that she was emotional and crying. The trial continues.