According to authorities, "I killed Jennifer", the man said before his arrest. This episode is one of a few recent examples that yield footage that is useful to local authorities.
According to documents provided by the Travis County District Clerk Office, 32-year-old woman Jennifer Chioma Abchi was stabbed at least a dozen times when she was found on the kitchen floor in a home in Pfalgerville. Her younger brother, Michael Agwagu, 25, was arrested on charges of murder.
An arrest affidavit states that a witness saw Mr Agwagu "smiling as he walked out of the residence and with a bloody kitchen knife in his hand said, 'I killed Jennifer.' Michael's clothes were soaked in blood. "
It added that footage of a doorbell camera in the home testified testimony.