some simple things like pick pocketing and fraud and theft and some larger scale things like murder or assault
"Some convicts" probably DID commit murder.
After the American colonies were no longer viable as venues for convicts following the American War of Independence, the convicts who were sent to Australia were from Great Britain. They included anyone from England, Scotland, Ireland or Wales who was convicted of crimes such as burglary, fraud or petty theft, but not violent crimes such as manslaughter or murder.
why didnt many convicts return to England
The convicts who came to Australia in the First Fleet committed a variety of crimes, from simple pick-pocketing to petty theft and larger scale crimes. Those committed of fraud and assault were also sent on the First Fleet, and there were some political rebels, particularly in later fleets. There were no murderers on the First Fleet. See the related link for details on specific prisoners and their crimes.
Most convicts were hanged for serious crimes such as murder, robbery, and treason. In the 18th and 19th centuries, theft and other property crimes could also result in hanging, particularly in England, where the death penalty was commonly applied for a wide range of offenses. The severity of the punishment reflected the legal and social attitudes of the time towards crime and punishment.
CONVICTS
The convicts literally built the colony. They constructed the buildings, roads and bridges and quarried the stone for building as well as cutting down the trees. They established the first farms and crops, and tended the livestock. Some convicts were assigned as servants or tradesmen to free settlers. Other, educated convicts were given work that suited their education; for example, one of Australia's most famous convicts was the architect Francis Greenway.
The ships which housed convicts in England during the 1700s were called hulks.
they are called con or convicts
bread water
The First Fleet of convicts to Australia departed England in May 1787, and arrived in New South Wales in January 1788.
UK Crime Stats for England and Wales show 512,750 reported crimes for November 2011. Many more crimes go unreported. That's about 1700 per day.