ABC Online | Senator backs activist filming crackdown after greyhound revelations 9news.com.au February 17, 2015: Disturbing footage shows some of Australia's most prominent greyhound trainers using live animals to train dogs. AAP. Crossbench senator David Leyonhjelm supports cracking down on animal activists who film cruelty and post it online, ... Live baiting: Draft laws could have seen swifter action on greyhound industry ... Senator backs activist filming crackdown |