Marginalia and other crimes - Case 5 - Coloured marginalia

Marked text comes in many colours. The use of colour-changing pencils, in these two examples, helped identify the culprit.

	pencil crayon
	pencil crayon
	highlighter one colour
	highlighter multiple colours
	highlighter multiple colours, underlines in ink, marginal comments as well
	highlighter multiple colours, underlines in ink, marginal comments as well