They are like templates, if you get what I mean. Officer D. Whalen is a native of Seattle and has been on the force for four years. In voice and manner, Whalen, who is stationed at the East Precinct, is alert and on top of things. She is not as cautious as Yamanaka, nor as exuberant as Zurcher. Whalen's sketch in Fig.
Some people are better at drawing pictures than others and so spend more time at it.
I usually scribble on a piece of paper and then go over it again back at the precinct, just to make sure it's more accurate. I don't mind doing them, but I don't look forward to doing them. I just do the best I can.