"If I told you there was a spate of muggings in Hyde Park and to be careful, does that mean I'm instructing you in the art of mugging or does it mean I'm giving you a warning about a practice I've been made aware of?" asks Morgan.
Growing up on the embattled Mawr Estate in South Wales, all Gemma sees are burglaries, muggings, sadness and boredom.
Trident, the Met's anti-gang unit, estimates there are around 250 gangs in the capital alone, selling drugs, carrying out muggings and sometimes stabbing each other.
Uruguay is one of the safest countries in the region but the number of muggings has risen fivefold in the past 20 years and the number of murders has jumped by 80%.
Two-thirds of muggings involved violence, and 40% of victims were injured.
A few rolezinhos have led to muggings and robberies, prompting police action, although most do not end in Itaquera-like chaos.
Statistics to be published next month will show that muggings, burglary and robbery, the offences which the public fear most, are all on the increase.
IMAGINE a country where the streets are clean, drugs cause few problems and muggings are almost unheard of.
Muggings are rare; victims would recognise their attackers.
As the same technique was tried in other neighbourhoods and for other types of crime, such as gang-related muggings, the city's overall violent crime rate fell noticeably, from 8.7 per 1,000 people in 2003 to 7.3 in 2008.The debate about crime is often emotional.
Muggings and robbery having risen by 40% in the past nine months.
