When you buy through our links, Business Insider may earn an affiliate commission. Learn more When you're being bugged by an invasion of cockroaches, the best roach killers help you reclaim your space ...

This article explains how to get rid of a heavy roach infestation effectively and prevent it from coming back.

Squashing cockroaches, a common instinct, can inadvertently worsen infestations and spread harmful bacteria. Their crushed bodies release fluids carrying pathogens like E. coli and salmonella, ...