ay, we must exclude from
lust-murder proper, all the cases in which, for other reasons than a
sadistic impulse, the sexual act is complicated with murder, as when the
female witness of a previous sexual crime must be got out of the way.
Children, too, are often the victims of other sexual acts, such as rape,
which in a few instances only can be included in the category of sadism.
In some cases force is employed only because the victim resists the act
of violation, and here there is no question of sadism; but the rape is
sadistic when the use of force is _per se_ a sexual stimulus. Moreover,
children are often endangered by "stabbers."

In the year 1899, there was much anxiety in the city of Cologne on
account of such a stabber. Those injured were all schoolgirls, and
ultimately no children were sent alone to school, but they were always
accompanied by a servant or a relative. In 1901, there was a similar
series of cases in Moscow, a number of half-grown girls being stabbed by
a man with a dagger. In the year 1896, a stabber appeared in Berlin. He
enticed schoolgirls into the vestibule of a house, under the pretence
that he wanted to brush some mud from their clothing; then, drawing a
knife, he would inflict on the child a long and deep incised wound. In
the summer of 1901, the inhabitants of northern Berlin were terrorised
by a man who stabbed one girl fatally, and wounded two others severely.
A remarkable point about this case was that the stabber made three
separate assaults in a single afternoon, at very brief intervals. Unless
the offender is discovered, it is naturally impossible to ascertain
whether he has acted under the influence of some ordinary mental
disorder (such as mania or post-epileptic insanity), or if he is a
sexual pervert. The act alone will not enable us to answer this
question.

Boys also are liable to such attacks, as we learn from what happened in
Breslau in the year 1889. A student of philosophy in that town enticed
to his dwelling an eight-year-old boy whom he met in a public lavatory,
and wounded the boy's penis with a sharp-pointed knife. It appeared that
the offender had done the same thing before to other boys. Ultimately,
having been examined by a committee of experts, he was on their
recommendation adjudged to be insane. In the year 1869, Berlin was
disturbed by the doings of a certain X. This man had made use of two
boys for sexual purposes, and had inflicted on them horrible injuries: