In a wireless network comprising some receivers and a truth-teller transmitter, an attacker adds a malicious evil-twin transmitter to the network such that the evil-twin lies about its true identity and transmits like the truth-teller transmitter in the network. The truth-teller transmitter may be a malicious transmitter as well, but it is honest in that it doesn’t lie about its identity. The e...

The Exorcist (1971; “E”) by William Peter Blatty, one of horror’s all time greatest bestsellers, starts off with three quotations and three names. The first quotation is from the Bible, from the famous possession narrative in the gospel of Luke (8:27-30). The second is an excerpt from a FBI recording of two Mafia killers laughing and discussing how they had hung their victim on a meat hook and ...

It may legitimately be asked, “What is a psychiatrist doing delving into the longstanding philosophical question about the nature of evil?” As we know, finding meaning and redefining reality to incorporate the experience of trauma is a fundamental task for the survivor of overwhelming life experiences (Herman, 1992; McCann and Pearlman, 1990; Janoff-Bulman, 1992). So too, is it one of the funda...