How Peter came to suspect Pacciani? Perhaps it is not quite known, but appears to have been a computer to suggest the name to investigators. Perugini When Roger took over in 1986 with Sandro Federico head of the SAM (Anti Monster Squad), not had nothing to work with, if not a mountain of anonymous letters. To integrate the unreliability of the information available, thought it well to benefit from new techniques. The SAM was supplied with a PC where the data had been included thousands who had come in contact with the surveys of Monster, for anonymous reporting, searches or other controls. From this database was extracted a list of 82 names from that street crime in Scopeti then had been somewhat alarmed by the attentions of law enforcement, and this may be deterred from killing again. Pacciani, by virtue of an anonymous letter received in 1985 and the subsequent search that could have worried, was among 82 individuals selected.
A second list was provided by the Data Processing Centre of the Ministry of Justice. He asked the technicians to query their database using a set of selection conditions (or filters) that ultimately will yield a list of 26 names of individuals highly suspected, among them was still that of Peter Pacciani, which was the only one present in both lists. But the result of work done by the Ministry of the computer could not be left to chance. Here's why, trying to rebuild the main conditions for the selection of what can be deduced from what he can read books that deal with, not always agree with each other.
First they took the examination in males born or living in Tuscany who had to do with justice, in short, undermined, since the database contained only available to their names. So if the monster had never been arrested, everything was falling miserably from the outset.
To narrow the search were filtered only those who were aged between 30 and 60 years on the last murder in 1985. It 'obvious that the breadth of the range would change the number of persons selected, and the fact that the extreme upper , 60, matched his age of Pacciani could suspect that he had been chosen for the purpose of including himself in the list, an a posteriori justification, in other words. Wanting to be even more evil, you might notice that the subject was born January 7, 1925, so the 8 September 1985 had already exceeded 60 years 8 months. However, considering the dynamics of the murder of Scopeti street where the boy was chased and stabbed to death in a melee, 60 years seems a bit 'too much, at least for an initial screening focused.
Another filter that further narrowed the shortlist was chosen to the exclusion of all persons who were detained during the two weeks with the central day of each crime, with which however does not exclude those who might be unable to kill for other personal reasons. This approximation was not serious, however, because its result was just too little to narrow.
was very serious but the effect of another filter, which sought to limit people to check only those who were arrested after the murder of Scopeti and were still in prison at the time of screening. The aim was clearly to take account of the silence of the Monster in 1985, but the available data we could only rely on the fact that the subject could be or could not be held, thus ignoring many other reasons that could justify his inaction, such as that could simply have decided to stop. And here, on closer inspection, according to common sense Pacciani was out of the pink, because his detention dated back to May 30, 1987, which is why the summer of 1986 could strike again if he wanted. So, choosing him, would have to justify his inaction of a summer for different reasons from a stay in prison. But the anonymous letter in 1985, and the presence of Pacciani also in the first list, fix the problem: in 1986 Pacciani could not have hit so alarmed by the controls subsequent to that letter.
probably other conditions were used children, Roger Perugini talks about in his book " many other factors, such criminal types, any permit and, finally, the possible evidence in the memory of the computer system antimostro . It seems clear, however, the limited usefulness of screening the database of the Ministry, which contained only affected with more information is not detailed enough. That information, along with other PC included in the SAM, could complement research already set on the basis of real evidence, but certainly not be the point of starting from scratch.
dall'inesistente miracle then cleared the field of artificial intelligence technology to help you find the culprit, we can only assume that Pacciani was identified mostly by feel, being a convict free of sexual offenses during the crimes, living in San Casciano and raised in Mugello, and close to all crime scenes, and Last but not least, the subject of an anonymous letter that accused him. The elements which should have been mitigating suspicion on him, such as age and sex characteristics incompatible with those expectations were taken into account only in words.
In conclusion we can therefore say without fear of contradiction, that Peter Pacciani was not entered in the investigation because some witnesses had seen him on a crime scene, or because had betrayed telling someone something, or any other classic elements that might give rise to suspicions about him, but for a mere arbitrary choice, after which it was love without end.
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