Suicides staged as homicides are rarely encountered by crime scene investigators. The case of one such staged homicide is presented in which the victim used restraints during a hanging. No other cases of suicidal hangings staged as homicides could be found in the forensic literature. Similar cases should be reported so additional data can be gained from these deaths to help reveal indicators of suicide rather than homicide.
A new simple method of ultrasonic velocity and attenuation measurement in a high absorption liquid J. Acoust. Soc. Am. 81, 947 (1987); 10.1121/1.394574
Ultrasonic velocity and attenuation in mammalian tissuesThe velocity and attenuation of 30-MHz sound waves were measured in liquid neon from 25 to 37°K at pressures to 28 kg/em'. The values of the velocity, extrapolated to the vapor pressure curve, are from 1.5% higher at 25°K to 0.4% higher at 32°K than corresponding values reported for 2-GHz sound waves. This negative dispersion is in agreement with recent predictions by Fleury and Boon. Values of the attenuation exceed the classical values calculated from the Navier-Stokes equation. This excess attenuation is attributed to a volume viscosity of the same magnitude as the shear viscosity. No anomaly in the temperature dependence of either velocity or attenuation was observed near the temperature where an anomaly has been reported for thermal conductivity, shear viscosity, and hypersonic velocity.
In July of 1997, the remains of a human stillborn infant were found at an elevation of 2,835 m in Summit County, CO. Larvae recovered from the infant were reared to adulthood and identified as Calliphora terraenovae (Macquart), Protophormia terraenovae (Robineau-Desvoidy), and Phormia regina (Meigen). These represent new county records for high elevation species in Colorado.
We report on the colonization of an adult human corpse by three insect species at 3350 m (11,000 ft) in elevation. The adult silphid Thanatophilus coloradensis (Wickham), adults of the blow fly Calliphora coloradensis (Hough), and larvae and adults of Lucilia silvarum (Meigen) were all collected from the victim's body which had been wrapped in plastic. The victim was found in late June in the Rocky Mountains of Colorado. This paper provides additional confirmation of the taxa utilizing a human corpse at high elevations in Colorado.
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