Margaret Hodge, the chair of the Public Affairs Committee has said the HMRC are "behind the times" when it comes to tax avoidance schemes.
Speaking to Daybreak she said it was a "cat and mouse game", with those who exploit legal loopholes, always one step ahead.
More top news
More than one in four Britons aged 55 and over financially support their child or other dependents to get on to the property ladder.
Known as 'spice' and 'black mamba', the so-called legal high is suspected of contributing to deaths in male and female institutions.
Prince Harry will launch the countdown to the 2017 Invictus Games in Canada - as he gears up for the this year's event in Florida.