Randall Garrett & Laurence M. Janifer 
Impossibles 

In two words, IM POSSIBLEFirst, late-model cars began driving themselves away – with nobody at the wheel…Then, valuables began vanishing from locked rooms…It was a new kind of crime. And Malone, the Government’s expert on "impossibilities, " was afraid it was a new kind of criminal…one who could disappear at will, walk through walls, and thumb his nose at the police.And Malone was dead right…