An utterer may convey a message to her intended audience by means of an explicit statement; or by a non‐conventionally mediated one‐off signal from which the audience is able to work out the intended message; or by conversational implicature. I investigate whether the last two are equivalent to explicit testifying, as communicative act and epistemic source. I find that there are important differences between explicit statement and insinuation; only with the first does the utterer assume full responsibility for the truth of what she communicates to her audience.