Identifying And Preventing German Cockroach Infestations

If you find a cockroach in your house, you could (rightly) be worried about whether there are more, what the implications of an infestation are, and how you will fight them. Since cockroaches are notoriously hard to kill, identifying the type of cockroach and practicing basic methods of prevention are the first step in implementing pest control. German cockroaches are the most common household cockroach. How can you identify the German cockroach?