While researching the number of crimes in which handguns were used, Lucas consults what he believes to be a reputable source but encounters information he finds hard to believe. How should he proceed?

Consult multiple, credible sources to see if they report similarly

Explanation:

Lucas must consult multiple, credible sources to see if they report similar information. In consulting multiple sources, Lucas is trying to reduce whatever bias exist in a source. And again, Lucas consulting credible sources mean, the sources would surely scrutinized whatever information it publish.

Consulting multiple, credible sources would surely help Lucas to report if any similarity exist.

answer: cannibalism, the capac raymi, capacocha, the eight day feast, the combing of the hair

explanation:

the incas have many rituals, cannibalism was always a very ritual thing, which was normally tied to sacrifices, warfare, death, and regeneration.

  the capac raymi was one of the most important ceremonies. it occurred around the summer solstice and was when they worshiped their sun god, also known as inti.

  the capacocho was another one of their most important ceremonies. it was when many children where selected to start their training, and these children where destined to become sacrificial blessings to their sun god, inti. being chosen for this ritual was a blessing.

  the eight day feast was a feast that lasted 8 days and, each day, the day began with a chanting at dawn. a follow up song at noon. which ended with complete silence at the end of the day. on this day, inca royalty was always dressed in silver and gold laced clothing.

  the combing of the hair was the most important ritual to young girls. this ritual was known as the coming of age ceremony, but only the most beautiful girls where chosen. in this ceremony, the girls chose their new name and where chosen as either brides, or princesses of rulers.

using the scientific method.