var Fact=new Array() 


Fact[0] = "Television dramas glamourise forensic science, eptiomising crimes with murder, showing only one person doing all the work necessary to be done by a team of scientists.";
Fact[1] = "Female serial killers account for only 8% of all American serial killers, but American females account for 76% of all female serial killers worldwide. ";
Fact[2] = "Forensic science is used much more often for purposes other than murder related crimes. Everyday drug related and stealth offences can also require the use of techniques like fingerprinting or chromatography.";
Fact[3] = "The word forensic science comes from the Greek word 'forum', meaning court of law, so technically forensic science is a type of science that is used in a court of law.";
Fact[4] = "Tooth enamel is the strongest and hardest substance in our body, making teeth almost impossible to destroy.";
Fact[5] = "There are two types of memory, short-term and long-term. Long-term memory is stored up over many years whereas short memory is information you have just received and is therefore most useful if you were to witness a crime.";
Fact[6] = "The most common blood type in the world is type 'O+' and the most rare is type 'AB-'.";
Fact[7] = "In 1909, a scientist by the name of Thomas H. Morgan discovered that chromosomes contained inherited information.";
Fact[8] = "Moiré patterns are the fine lines found on money that are so detailed and miniscule that photocopiers and computer scanners are unable to clearly print them, causing the copy to come out looking distorted.";
Fact[9] = "The FBI started the first US national fingerprint file in 1930, allowing them to compare fingerprints with those on record.";
Fact[10] = "Illegally created drugs in the form of tablets are often imprinted with a picture to make them look more appealing. It is these pictures that scientists can use to trace the creator of the tablet.";
Fact[11] = "Arsenic and cyanide are two of the most lethal forms of poisoning in the world, as they act very quickly and are virtually flavorless when added to food or drink.";
Fact[12] = "The Chinese writer, His Yuan Lu, was first to write about how certain causes of death change the physical appearance of a body in 1284.";
Fact[13] = "X-rays were discovered in 1895 by a scientist named Conrad Rġntgen.";
Fact[14] = "The National Crime Information Centre was set up in America in 1967 by the FBI, in order to create a central place where information about crime, criminals and stolen goods could be received and stored.";
Fact[15] = "The first photo-fit ID system, which is capable of producing around 15 billion faces, was devised in 1969 by a photographer named Jaques Perry.";
Fact[16] = "Mug-shots of criminals were first taken by police in 1843.";
Fact[17] = "A serial killer or rapist is defined as someone who commits 3 or more crimes with only a short period of time in between.";
Fact[18] = "Ink is able to be erased using products such as bleach and acetone which is found in nail polish remover. Under ultraviolet light, this can be revealed, as bleach leaves a yellow stain and acetone leaves a blue stain.";
Fact[19] = "Fingerprints that are invisible to the naked eye are called 'latent' and are exposed using the fumes from superglue.";
Fact[20] = "Identical twins are the only people who have the same DNA.";
Fact[21] = "If the entire DNA from one cell was stretched, it would be more than two metres long.";
Fact[22] = "Growth rings found in trees not only reveals the age of a tree. It can also reveal how fast it grew, which depends on nutrients found in the soil such as dead animals and plants. This means that a decomposing body would also affect the growth rate of a tree over time.";
Fact[23] = "Lividities are purple marks on the skin and occur when the heart stops pumping blood, causing it to settle in the lowest parts of the body. After eight hours, the pooled blood creates purple marks on the skin that don?t go away.";
Fact[24] = "The ancient Egyptians distributed pictures of suspects amongst each other in an attempt to catch them.";
Fact[25] = "The word 'mug' in mug-shot is an old fashioned slang word for face.";
Fact[26] = "Fingerprints are identified using three patterns: whorls, loops and arches. There is a forth pattern which combines all three patterns in the one print, but this occurring is very rare.";
Fact[27] = "Ultraviolet light can reveal when blood stains have been washed from clothing and objects.";
Fact[28] = "The study of fingerprints is called 'Dactylography'.";
Fact[29] = "In a drop of blood the size of a pinhead, there are 5 million red blood cells.";
Fact[30] = "The estimated chances of two people (with full set of 32 teeth) producing identical bite marks are 2.5 billion to 1."
Fact[31] = "When a criminal is suspected to have undergone plastic surgery to delude police, the ears are a source of comparison because plastic surgeons rarely operate on altering the ears."


var Q = Fact.length;
var whichFact=Math.round(Math.random()*(Q-1));
if ((whichFact<0) || (whichFact>31)) {whichFact=2};
function showFact(){document.write(Fact[whichFact]);}
showFact();