Tax evasion in the United States unlawful gains as income when filing annual tax returns (see e.g., "James v. United States") although such income is typically not reported. Suspected lawbreakers, most famously Al Capone, have been successfully prosecuted for tax evasion when there was insufficient evidence to try them for their non-tax related crimes. Reporting illegal income as earned legitimately may be illegal money laundering. In the United States, the IRS estimate of the 2001 tax gap was $345 billion. For 2006, the tax gap is estimated to be $450 billion. A more recent study estimates the 2008 tax gap in the range of $450 to
Tax evasion theory, be collected by HMRC, against what is actually collected) of £33 billion in the same year, an amount that represented 5.7% of liabilities. At the same time, tax avoidance was estimated at £1.7 billion (this does not include international tax arrangements that cannot be challenged under the UK law, including some forms of base erosion and profit shifting (BEPS)). In 2013, the Coalition government announced a crackdown on economic crime. It created a new criminal offence for aiding tax evasion and removed the requirement for tax investigation authorities to prove "intent to evade tax" to prosecute offenders. In 2015,