But with such small overall numbers, and with no universally agreed upon definition of a homosexual, it would be impossible to determine the relative frequency of homosexuals among serial killers.Unlike gender and race (clearly ascertainable), there are no physical or genetic tests for sexual orientation.
Filipinos comprise a relatively newer and less affluent immigrant population relative to other major Asian groups in the United States.Serial killers and their victims include people from all races, cultures, nationalities, economic background, educational levels, genders, and sexual orientations.Because serial killers are so rare, it is impossible to use any demographic indicator as a predictor. Furthermore, of the relatively few female serial killers, one third of them worked in partnership with males.According to some sources, whites are over-represented and African-Americans are under-represented among serial killers, but this depends on how one defines a "serial killer." The more celebrated, headline-grabbing serial killers are generally white, but if one counts perpetrators of multiple homicides, including drug- and gang-related killings, then African-Americans account for between 20% to 30% of all multiple perpetrators, according to statistics compiled by the FBI. Asians, who comprise probably under-represented among American serial-killers.African-Americans comprise about 13% of the total U. Asian serial-killers are extremely rare in the United States, but Asians comprise only about 4% of the U. population so, statistically speaking, one would expect few Asian serial killers.