Cuckoo beware

First things first. To find Marcus, find his house! Not difficult, that part of Rufus's memory was 100% OK.

Arriving at the house he'd last seen several weeks before brought back unpleasant memories for Rufus. Reaching the front door, he aimed a straight kick at the middle. The door flew open inwards. Rufus bounded in and powered up the staircase. Entering Marcus's bedroom, he didn't see what he expected.

An older man was there on the bed, but it wasn't Marcus. He was considerably younger. Who cared? Certainly not Rufus!

Clive Dollis cared, for an instant, before Rufus strangled him.